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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

LOUDSPEAKER
sa   HEADPHONE
sa   LOUDSPEAKER -- BIPOLE
sa   LOUDSPEAKER -- DIPOLE
sa   LOUDSPEAKER -- ELECTROSTATIC
sa   LOUDSPEAKER -- HORN
sa   LOUDSPEAKER -- ION
sa   LOUDSPEAKER -- PLANAR & RIBBON
sa   LOUDSPEAKER -- SUBWOOFER
sa   LOUDSPEAKER -- TRANSMISSION LINE
sa   LOUDSPEAKER CROSSOVER & FILTER
sa   LOUDSPEAKER DRIVER
sa   LOUDSPEAKER ENCLOSURE
sa   LOUDSPEAKER IMPEDANCE & IMPEDANCE TESTING
sa   LOUDSPEAKER MOUNTING
sa   LOUDSPEAKER PLACEMENT & PHASING
sa   LOUDSPEAKER TESTING
sa   LOUDSPEAKER WIRING
sa   OUTDOOR LOUDSPEAKER
x   SPEAKER (AUDIO)
xx   AUDIO EQUIPMENT
xx   ELECTRONICS

Spectacular speakers. Build fine-furniture subwoofer cabinet and matching pair of satellite cabinets that will perform as well as a $2,500 store-bought set. Handles 5 to 100 watts per channel. Est. cost: $500-$600.
AMERICAN WOODWORKER #75 Oct 1999 pg. 54

Two ways to dress up plain box speakers with attractive fabric for the grille or "Hot Licks" soft sculpture.
APARTMENT LIFE Apr 1978 (v.10#4) pg. 18

A look at alternatives to speakers in a box. Tips on shopping for speakers and how to adjust a system to your room.
APARTMENT LIFE Jun 1979 (v.11#6) pg. 33

L-C/H-Q Mark I. Low-cost, high-quality loudspeaker utilizing an equalized 5"x9" elliptical cone transducer in a totally enclosed 18"x12"x10" baffle. Est. cost: $15. Part 1.
AUDIO AMATEUR 2/1970 [Spring 1970] (v.1#2) pg. 3
Added Info AUDIO AMATEUR 4/1970 [Fall 1970] (v.1#4) pg. 21
Added Info AUDIO AMATEUR 1/1971 (v.2#1) pg. 22

L-C/H-Q Mark I. Part 2. Adapting the speaker for use with a separate woofer. A center-mix woofer. How the design parameters were determined and the unit tested.
AUDIO AMATEUR 3/1970 [Summer 1970] (v.1#3) pg. 14

Ideas for experimenting with motional feedback loudspeakers.
AUDIO AMATEUR 2/1975 [Nov 1975] (v.6#2) pg. 39
Added Info AUDIO AMATEUR 2/1976 [Jul 1976] (v.7#2) pg. 39

Transient response (a do-it-yourself clinic). Practical solutions for your system to make recorded music sound more like live music. Looks at cartridge, preamp, amplifier, speakers, etc.
AUDIO AMATEUR 2/1977 [May 1977] (v.8#2) pg. 12

Cheap modification for Dahlquist DQ-10 speakers involves adding cotton batting.
AUDIO AMATEUR 4/1984 [Sep 1984] (v.15#4) pg. 57

A quick bookshelf pair. Uses a single full-range 5" speaker, without a crossover or any other special construction techniques.
AUDIOXPRESS Feb 2001 (v.32#2) pg. 26

Speaker City's MTM-18 loudspeaker kit reviewed.
AUDIOXPRESS Mar 2001 (v.32#3) pg. 44
Added Info AUDIOXPRESS Aug 2001 (v.32#8) pg. 72
Added Info AUDIOXPRESS Feb 2002 (v.33#2) pg. 64

Slim Jims. Easy-to-build loudspeaker consists of an inexpensive 4" full-range driver ($12) mounted in PVC pipe.
AUDIOXPRESS Aug 2001 (v.32#8) pg. 8

JBL L300 Summit renovation. The search for a pair of JBL L300 speakers, and subsequent renovations and improvements to achieve outstanding performance.
AUDIOXPRESS Sep 2001 (v.32#9) pg. 50

A first-order 3-way. A relatively simple speaker construction project using first-order crossovers. Part 1.
AUDIOXPRESS Nov 2001 (v.32#11) pg. 24
Added Info AUDIOXPRESS Jun 2002 (v.33#6) pg. 72 (Driver substitution)

The Sessions Monitor. Part 1. (1) Design concept of a full-range, biamped system in a four-box configuration. (2) Construction of the bass cabinets.
AUDIOXPRESS Nov 2001 (v.32#11) pg. 52

The Sessions monitor. Part 2. (1) Design and construction detail of the satellite. (2) Final assembly of the system.
AUDIOXPRESS Dec 2001 (v.32#12) pg. 22

A first-order 3-way. A relatively simple speaker construction project using first-order crossovers. Part 2. Construction details.
AUDIOXPRESS Dec 2001 (v.32#12) pg. 50

The infinite box concept. Part 1. How a little-known approach to speaker design works and how you can use this technique which consists of putting a woofer in an open-back box and filling the rear of the box with dense damping material.
AUDIOXPRESS Jan 2002 (v.33#1) pg. 8
Added Info AUDIOXPRESS Jul 2002 (v.33#7) pg. 68
Added Info AUDIOXPRESS Aug 2002 (v.33#8) pg. 56

Building the Adire KIT281 speaker kit in the floor-standing vented box configuration with the optional flared port. A related article reviews the speaker.
AUDIOXPRESS Jan 2002 (v.33#1) pg. 34, 61

The Cadillac 16. A custom closed-box enclosure (8"x8"x57" tall) incorporates six surplus 6" subwoofers designed for high-end General Motors sound systems, plus a midrange and a tweeter.
AUDIOXPRESS Jan 2002 (v.33#1) pg. 50

The infinite box concept. Part 2. Listening test results and construction details of open-backed systems.
AUDIOXPRESS Feb 2002 (v.33#2) pg. 38
Added Info AUDIOXPRESS Aug 2002 (v.33#8) pg. 60, 62, 63
Added Info AUDIOXPRESS Oct 2002 (v.33#10) pg. 64, 66
Added Info AUDIOXPRESS Feb 2003 (v.34#2) pg. 64

A trapezoidal closed three-way loudspeaker design.
AUDIOXPRESS Apr 2002 (v.33#4) pg. 48

Review and assembly instructions for Adire's HE10.1 high efficiency coaxial driver vented box loudspeaker kit.
AUDIOXPRESS Feb 2003 (v.34#2) pg. 42
Added Info AUDIOXPRESS Sep 2003 (v.34#9) pg. 60

Assembling and reviewing the SEAS Froy Mark 3 vented loudspeaker kit.
AUDIOXPRESS Mar 2003 (v.34#3) pg. 60
Added Info AUDIOXPRESS Apr 2003 (v.34#4) pg. 57 (Test results)

Simple satellites. Five companion satellite speakers for use with the infinite box subwoofer. Est. cost: $50 each. Part 1.
AUDIOXPRESS May 2003 (v.34#5) pg. 32

Simple satellites. Part 2.
AUDIOXPRESS Jun 2003 (v.34#6) pg. 44
Added Info AUDIOXPRESS Jul 2003 (v.34#7) pg. 68 (Diffraction Spreading Loss)

A center channel speaker for a home theater system. This unique enclosure complements a 36" TV and includes two tweeters, a midrange and a woofer.
AUDIOXPRESS Sep 2003 (v.34#9) pg. 24

An unorthodox, easy-to-build two-way speaker features an 8" mid-woofer. Part 1.
AUDIOXPRESS Sep 2003 (v.34#9) pg. 46

An unorthodox, easy-to-build two-way speaker features an 8" mid-woofer. Part 2.
AUDIOXPRESS Oct 2003 (v.34#10) pg. 40

Photo shows how to make a box that will hold stereo speakers and also display plants. Unit is built of 2x2s with a recessed plywood shelf on top for plants. Framework is lined on the inside with a coarse fabric. Est. cost: $35.
BETTER HOMES & GARDENS Jul 1974 (v.52#7) pg. 54

How to install a remote volume control for an extra set of speakers that will allow you to turn them off or adjust the volume from another room. How to install an automatic shut-off for a stereo.
BOYS' LIFE Dec 1979 (v.69#12) pg. 14

Build a passive radiator type of loudspeaker enclosure, called the "augmented radiator". Consists of two speakers in a box, but only one has a voice coil and magnet. The other responds passively to the pressure wave set up within the box. Est. cost: $ 20.
CQ. THE RADIO AMATEUR'S JOURNAL Feb 1979 (v.35#2) pg. 101

Wall flowers. Tips on selecting and installing small in-wall loudspeakers to replace larger free-standing speaker cabinets.
ELECTRONIC HOUSE Apr 1996 (v.11#2) pg. 42

Amplified speaker system is useful for testing audio components or to amplify a Walkman device for room use. Est. cost: $17.
ELECTRONICS EXPERIMENTERS HANDBOOK 1990 pg. 89, 126

Unusual base-reflex system.
ELECTRONICS ILLUSTRATED Nov 1964 (v.7#6) pg. 49

Miniature speaker and enclosure measure 6"x8"x8". Est. cost: $25.
ELECTRONICS ILLUSTRATED Nov 1965 (v.8#6) pg. 29

A small (14"x8"x8") distributed-port base-reflex system. Uses a 5" woofer and 5" tweeter. Flat response within 2 dB, from 60 cps to 15 kc. Est. cost: $15 plus cabinet.
ELECTRONICS ILLUSTRATED Jan 1967 (v.10#1) pg. 103

EI-8X speaker system. Bookshelf-style speaker cabinet measuring 10"x11"x22". Has an 8" woofer and a 4" tweeter. Smooth response to about 16,000 cps. Est. cost: $30.
ELECTRONICS ILLUSTRATED Nov 1967 (v.10#6) pg. 91

Loudspeaker is only 1-1/2" thick and looks more like a picture frame. Response from 100 to 15,000 cps. Est. cost: $25.
ELECTRONICS ILLUSTRATED Mar 1968 (v.11#2) pg. 71

Mini Mini Speaker. A 6"x7"x10" speaker enclosure with quite a flat response from 200 to 10,000 cps.
ELECTRONICS ILLUSTRATED May 1968 (v.11#3) pg. 65

Loudspeaker cabinet built from a cardboard shoebox using plyfoam as a strengthener.
ELECTRONICS ILLUSTRATED Nov 1968 (v.11#6) pg. 29

Small speaker responds from 70- to 15,000-cps. Size of enclosure is 8"x8"x14". Utilizes three high-compliance, heavy-magnet, long-excursion type speakers.
ELECTRONICS ILLUSTRATED Jan 1969 (v.12#1) pg. 73

Speaker enclosure made from corrugated cardboard box. Est. cost: $1.
ELECTRONICS ILLUSTRATED Nov 1969 (v.12#6) pg. 43

Horn-loaded bass-reflex speaker enclosure with 4 cubic feet of volume, designed to sit in the corner of a room. Uses 10 watts of driving power. Est. cost: $65.
ELECTRONICS ILLUSTRATED Jan 1970 (v.13#1) pg. 57

Single cabinet (utilized) stereo speaker system.
ELECTRONICS ILLUSTRATED Nov 1970 (v.13#6) pg. 64

Report on assembling the Acoustron LWE IV speaker system kit and an analysis of its output.
ELECTRONICS ILLUSTRATED Jan 1971 (v.14#1) pg. 86

Bass reflex with horn enclosures built around one of three different speakers. Est. cost: $20 to $33 each, plus wood.
ELECTRONICS ILLUSTRATED Nov 1971 (v.14#6) pg. 49

How do they get so much bass out of such little boxes? Overview of bookshelf speaker design.
ELECTRONICS NOW May 1993 (v.64#5) pg. 67
Added Info ELECTRONICS NOW Nov 1993 (v.64#11) pg. 14

Loudspeaker power ratings. What do they mean and how to avoid problems. Part 1. Tweeter problems.
ELECTRONICS NOW Jun 1993 (v.64#6) pg. 82

Loudspeaker power ratings. What do they mean and how to avoid problems. Part 2. Midrange and woofer problems.
ELECTRONICS NOW Jul 1993 (v.64#7) pg. 88

Hints and tips on buying a speaker system. Part 1.
ELECTRONICS NOW Aug 1993 (v.64#8) pg. 26

Hints and tips on buying a speaker system. Part 2.
ELECTRONICS NOW Sep 1993 (v.64#9) pg. 16

Designing a ducted-port bass-reflex enclosure.
ELECTRONICS WORLD Jan 1966 (v.75#1) pg. 25

Design and construction of small, completely sealed hi-fi speaker enclosures. A number of practical graphs are included to determine speaker compliance and achieve best enclosure size.
ELECTRONICS WORLD Aug 1966 (v.76#2) pg. 25
Correction ELECTRONICS WORLD Sep 1966 (v.76#3) pg. 75

Complete details on building an acoustic-suspension speaker system.
ELECTRONICS WORLD Nov 1969 (v.82#5) pg. 36

Design for an unusual hi-fi loudspeaker system for frequencies below 64 Hz make use of vibrating side panels and slot loading.
ELECTRONICS WORLD May 1970 (v.83#5) pg. 43

House a small speaker in a tin can. Use as an earpiece or desk speaker.
ELEMENTARY ELECTRONICS #763 Winter 1965 pg. 108

Whiskey barrel speaker system. Converting a 5 or 6 gallon whiskey barrel into an enclosure for a loudspeaker. Larger barrels may be used.
ELEMENTARY ELECTRONICS May-Jun 1967 (v.4#2) pg. 65

Build a flame speaker utilizing a propane torch.
ELEMENTARY ELECTRONICS Jul-Aug 1968 (v.6#3) pg. 55

"Polar-Plus" loudspeaker enclosure features a Poly-Planer plastic speaker just 1" thick. Est. cost: $10.
ELEMENTARY ELECTRONICS May-Jun 1970 (v.10#2) pg. 27

A 360-degree loudspeaker composed of a 5" speaker built into an ice bucket, with a dome reflector over the cone.
ELEMENTARY ELECTRONICS Nov-Dec 1970 (v.10#5) pg. 27

Speaker enclosure 36" high, 24" wide and 14" deep has 9 speakers. They include one 15" woofer, four 5" high-compliance and four 3" tweeters. Est. cost: $65.
ELEMENTARY ELECTRONICS Jul-Aug 1973 (v.13#4) pg. 31

Simple end table actually conceals a 3-way speaker system with downward facing woofer.
ELEMENTARY ELECTRONICS Nov-Dec 1974 (v.14#6) pg. 51

Upgrade that cheapie stereo for higher fi. How to rework the speakers to improve the sound.
ELEMENTARY ELECTRONICS Jul-Aug 1975 (v.15#4) pg. 46

Design and assemble your own two or three speaker enclosures with level controls and adjustable crossover network. Uses a Radio Shack enclosure kit which permits a choice of speakers and networks.
ELEMENTARY ELECTRONICS Sep-Oct 1976 (v.16#5) pg. 50

Unusual loudspeaker uses a two-gallon clear glass "cookie jar" as the enclosure, and an automotive speaker grille as the jar cover. A 5" speaker completes the unit.
ELEMENTARY ELECTRONICS Mar-Apr 1977 (v.17#2) pg. 45

Tips on assembling the Speakerlab 3 loudspeaker kits.
ELEMENTARY ELECTRONICS Jan-Feb 1980 (v.20#1) pg. 36

Convert a bedside table (night table) kit into a quality speaker enclosure that looks and functions as a bedside table and has one drawer at the top for storage.
ELEMENTARY ELECTRONICS May-Jun 1980 (v.20#3) pg. 42

How to build your own hi-fi speakers.
FAMILY HANDYMAN #192 Sep 1978 (v.28#7) pg. 76

Assembling speaker systems from a kit.
FAMILY HANDYMAN #197 Mar 1979 (v.29#3) pg. 79

Loudspeaker impedance. A hi-fi hassle that won't go away. What is impedance and how does it impact loudspeaker design and hi-fi systems.
HANDS-ON ELECTRONICS Mar-Apr 1986 (v.3#2) pg. 49

Baffles, boffles, boxes, and vents. Design fundamentals for loudspeaker enclosures.
HANDS-ON ELECTRONICS May-Jun 1986 (v.3#3) pg. 32
Added Info HANDS-ON ELECTRONICS Jul-Aug 1986 (v.3#4) pg. 16
Added Info HANDS-ON ELECTRONICS Nov 1986 (v.3#6) pg. 16

Speaker "Z" Tester is a simple bridge circuit that can determine the impedance of an unmarked speaker.
HANDS-ON ELECTRONICS Mar 1988 (v.5#3) pg. 82

Towers of power. Build your own loudspeakers using the double-chamber reflex design. Consists of an 8" woofer and a 1" tweeter in a tower that's 10" wide, 40" tall, 12" deep.
HANDS-ON ELECTRONICS Oct 1988 (v.5#10) pg. 42
Added Info POPULAR ELECTRONICS [2] May 1989 (v.6#5) pg. 4

Tip: Paint loudspeaker cases to blend into their surroundings.
HOME MECHANIX #697 May 1986 (v.82) pg. 46

Installing outdoor audio speakers. Some tips.
HOME MECHANIX #746 Jun 1990 (v.86) pg. 30

In-the-wall stereo speakers. A buyer's guide to selection and installation.
HOME MECHANIX #760 Nov 1991 (v.87) pg. 32

How to choose speakers that will complement your audio system and your home's acoustics.
HOME MECHANIX #784 Apr 1994 (v.90) pg. 30

Floor monitor speaker enclosure is useful for anyone who plays an electronic musical instrument. Estimated cost: $7.
INDUSTRIAL EDUCATION Dec 1980 (v.69#9) pg. 36

A full-range speaker system. Speaker enclosures of the special type of bass-reflex baffle known as a distributed port enclosure. Built of 3/4" fir plywood with fiberglass padding. Speakers are the Jensen Concert Series W-120 woofer and the TH-200 compression horn tweeter.
MECHANIX ILLUSTRATED #471 Aug 1967 (v.63) pg. 90

Budget hi-fi speaker has three speakers in a wood cabinet. Frequency response of 70 to 16,000 cps. Est. cost: $20.
MECHANIX ILLUSTRATED #482 Jul 1968 (v.64) pg. 82

Square topped coffee table is built from decorative moldings, plywood and particle board. It has four small loudspeakers (or one large 40-watt speaker) built into the base. Decorative tapestry print upholstery fabric, set in frames of molding, conceal the speakers.
MECHANIX ILLUSTRATED #527 Apr 1972 (v.68) pg. 112

Build a low-cost speaker enclosure using an 8" woofer and a 1" dome tweeter. Uses simple lumber and involves no critical adjustments.
MECHANIX ILLUSTRATED #535 Dec 1972 (v.68) pg. 112

How to hide a loudspeaker. How to mount a speaker in a closet door, a wall or ceiling.
MECHANIX ILLUSTRATED #537 Feb 1973 (v.69) pg. 74

Build a sound-in-the-Round speaker. This homebuilt version of an omnidirectional enclosure built from plywood is 15" square by 26" high.
MECHANIX ILLUSTRATED #538 Mar 1973 (v.69) pg. 116

How to add a tweeter system to your existing budget stereo. Uses three Lafayette 29500 speakers mounted at 60 degree angles to each other. Cabinet is shaped like half a hexagon, 12" along the back and 5" center depth.
MECHANIX ILLUSTRATED #543 Aug 1973 (v.69) pg. 64

How to build a really low-cost speaker. Uses Norelco 6"x9" oval speaker. Cabinet dimensions are 17" high, 12" square. Est. cost: $7.
MECHANIX ILLUSTRATED #547 Dec 1973 (v.69) pg. 38

Upgrade an inexpensive speaker enclosure by adding a high-compliance replacement speaker and some damping material.
MECHANIX ILLUSTRATED #551 Apr 1974 (v.70) pg. 126

Build a true hi-fi speaker that will handle up to 20 watts. Features three drivers (one 8" woofer and two tweeters) of the air suspension type. Cabinet is particle board covered with Contact paper. Est. cost: $25.
MECHANIX ILLUSTRATED #555 Aug 1974 (v.70) pg. 28

Full-range speaker system. An 8" dual-cone speaker and closed-box design handles up to 30 watts. Frequency response is 100 Hz to 18 kHz. Est. cost: $40 per pair.
MODERN ELECTRONICS [2] Jan 1987 (v.4#1) pg. 64
Correction MODERN ELECTRONICS [2] May 1987 (v.4#5) pg. 4

Subwoofer for stereo. This deep-bass speaker reaches down to 15 Hz to upgrade your present stereo system.
MODERN ELECTRONICS [2] Jun 1987 (v.4#6) pg. 56

Building and applying active minispeakers. By installing a driving amplifier inside its aluminum enclosure, you can greatly enhance a minispeaker's versatility.
MODERN ELECTRONICS [2] Sep 1987 (v.4#9) pg. 42

How to cat-proof stereo speakers. Three designs for covers that are thick enought to keep a cat's claws from penetrating and harming grille fabric. Covers are removed before listening to the system. Est. cost for six covers: $10.
MOTHER EARTH NEWS #97 Jan-Feb 1986 pg. 92

Putting the audio into audiovisual. Training your ears to be sound-critical. Tips on using microphones and loudspeakers.
PHOTOMETHODS Jan 1981 (v.24#1) pg. 35

Hi-fi speaker system for $8.
POPULAR ELECTRONICS [1] Mar 1964 (v.20#3) pg. 61

Flexible little system features two full-range speakers.
POPULAR ELECTRONICS [1] Nov 1964 (v.21#5) pg. 64

Slim two-speaker enclosure has decompression chamber.
POPULAR ELECTRONICS [1] Dec 1964 (v.21#6) pg. 63

Distributed port base reflex cabinet for a modern-day hi-fi speaker.
POPULAR ELECTRONICS [1] Apr 1965 (v.22#4) pg. 45

Half-cubic foot sealed enclosure costs under $10.
POPULAR ELECTRONICS [1] Oct 1965 (v.23#4) pg. 49

Unique $.99 speaker enclosure from plastic wastebasket.
POPULAR ELECTRONICS [1] Nov 1965 (v.23#5) pg. 52

Stereo speaker system consisting of a column speaker containing 11 speakers (4" or 5") and a separate bass speaker enclosure containing one or two woofers. Details of cabinet construction and wiring for 8 or 16 ohm impedance.
POPULAR ELECTRONICS [1] Jan 1966 (v.24#1) pg. 48

How to get good base response out of a $6 speaker without "boom". Done by constructing a cabinet which uses an acoustic resistance unit (ARU) across the open port.
POPULAR ELECTRONICS [1] Mar 1966 (v.24#3) pg. 60

Build a long-tailed phase inverter. A new labyrinth-type speaker enclosure design.
POPULAR ELECTRONICS [1] Sep 1966 (v.25#3) pg. 69

Quality speaker system containing four 12-watt woofers and two tweeters in a handsome cabinet. Est. cost: $40.
POPULAR ELECTRONICS [1] Nov 1966 (v.25#5) pg. 74

Speaker enclosure uses 12 speakers of different sizes arranged in an irregular pattern in order to set up a "staggered resonance" condition. Est. cost: $35.
POPULAR ELECTRONICS [1] Mar 1967 (v.26#3) pg. 74
Correction POPULAR ELECTRONICS [1] Apr 1967 (v.26#4) pg. 14

Princess Cinderella. Build the up-rated version of the bookshelf hi-fi speaker originally described in the October 1965 issue. This new version uses a tweeter with a 10 oz. magnet and a woofer that has a 20 oz. magnet. Resonance is about 60 Hz. Ported enclosure. High end of 17,000 to 18,000 Hz. Est. cost: $15.
POPULAR ELECTRONICS [1] Jul 1967 (v.27#1) pg. 38

Triangular-shaped loudspeaker enclosure will fit into a corner of a room. Triangular speaker enclosures are considered superior by many experts.
POPULAR ELECTRONICS [1] Oct 1967 (v.27#4) pg. 57

Loudspeaker up to 5" in diameter can be mounted in a 1-gallon plastic jug to form a portable speaker enclosure.
POPULAR ELECTRONICS [1] Nov 1967 (v.27#5) pg. 53

Ultra-compact hi-fi speaker enclosure uses a woofer with a 3-1/2 lb. magnet and a fundamental resonance below 45 Hz.
POPULAR ELECTRONICS [1] Mar 1968 (v.28#3) pg. 67

A discussion of the theory and apparatus used in "Flame amplification".
POPULAR ELECTRONICS [1] May 1968 (v.28#5) pg. 47

Smooth out the base response of a loudspeaker by matching the enclosure to the speaker. Instructions on how to perform the matching process.
POPULAR ELECTRONICS [1] Jul 1968 (v.29#1) pg. 47

Sealed-reflex speaker system. Use of an extra speaker cone improves bass performance without using ducts or ports.
POPULAR ELECTRONICS [1] Oct 1968 (v.29#4) pg. 59

Loudspeaker enclosure is 40" high, 25" wide and 19" deep. Encloses woofer, tweeter and four midrange speakers.
POPULAR ELECTRONICS [1] Jan 1969 (v.30#1) pg. 33

Full-range hi-fi speaker uses an unusual 12" woofer with free-air resonance below 25Hz. A midrange speaker, tweeter, homemade crossover networks and plywood enclosure. Est. cost: $35.
POPULAR ELECTRONICS [1] Feb 1969 (v.30#2) pg. 59

A 6,000-cubic inch speaker enclosure is tuned to provide the sound normally expected of a system with an 8,000 cubic inch volume.
POPULAR ELECTRONICS [1] May 1969 (v.30#5) pg. 53

Bookshelf speaker enclosure uses tongue-and-groove method of support, no screws, and prefinished particle board. Three grades of speaker systems may be installed in the cabinet, ranging from $15 to $126.
POPULAR ELECTRONICS [1] Jul 1969 (v.31#1) pg. 69

"Mini-Six", a stereo loudspeaker system that utilizes the reflected sound system and allows the listener to vary the ratio of direct/indirect sound to match room acoustics. This speaker is not a full range unit, but an add-on for existing hi-fi speakers.
POPULAR ELECTRONICS [1] Sep 1969 (v.31#3) pg. 45

Building loudspeaker enclosures out of materials other than plywood.
POPULAR ELECTRONICS [1] Oct 1969 (v.31#4) pg. 45

Tips on proper loudspeaker enclosure tuning of a bass reflex. Part 1.
POPULAR ELECTRONICS [1] Nov 1969 (v.31#5) pg. 47

Tips on proper loudspeaker enclosure tuning of a bass reflex. Part 2.
POPULAR ELECTRONICS [1] Dec 1969 (v.31#6) pg. 43

Bookshelf speakers, 8" square.
POPULAR ELECTRONICS [1] Jan 1970 (v.32#1) pg. 40

Multi-directional column speaker has four woofers and four tweeters.
POPULAR ELECTRONICS [1] Feb 1970 (v.32#2) pg. 69

Triangular-shaped speaker enclosure houses four speakers costing $3.50 each. Unit fits in corner of room and is only 13" high.
POPULAR ELECTRONICS [1] Apr 1970 (v.32#4) pg. 43

Buck up bass response with a super woofer, a separate speaker to handle notes under 100 Hz.
POPULAR ELECTRONICS [1] Jun 1970 (v.32#6) pg. 62

Loudspeaker system expert discusses pros and cons of multiple-speaker enclosures.
POPULAR ELECTRONICS [1] Nov 1970 (v.33#5) pg. 64

Nomograph aids in determining reflex enclosure dimensions.
POPULAR ELECTRONICS [1] Dec 1970 (v.33#6) pg. 64
Correction POPULAR ELECTRONICS [1] Feb 1971 (v.34#2) pg. 100

Pros and cons of a third speaker, the woofer only, in a stereo system. Typical setups illustrated.
POPULAR ELECTRONICS [1] May 1971 (v.34#5) pg. 33

The colossal woofer. A 30" diameter speaker in a 27 cubic foot cabinet.
POPULAR ELECTRONICS [1] Jun 1971 (v.34#6) pg. 47

The continental speaker system features an offbeat speaker layout and European speakers. Est. cost: $85 plus cabinet.
POPULAR ELECTRONICS [1] Aug 1971 (v.35#2) pg. 41

Tips on choosing a hi-fi speaker system.
POPULAR ELECTRONICS [1] Dec 1971 (v.35#6) pg. 66

Labyrinth speakers for hi-fi. Some problems, solutions and advice to experimenters.
POPULAR ELECTRONICS [1] Jan 1972 (v.1#1) pg. 40

Hi-fi loudspeakers: facts and fallacies. Part 1. How a speaker works.
POPULAR ELECTRONICS [1] Aug 1972 (v.2#2) pg. 40

Build bass reflex enclosures the easy way. Some hints on succssful design and construction.
POPULAR ELECTRONICS [1] Sep 1972 (v.2#3) pg. 32

Hi-fi loudspeakers: facts and fallacies. Part 2.
POPULAR ELECTRONICS [1] Sep 1972 (v.2#3) pg. 60

Comeback of the bass reflex hi-fi speaker enclosure.
POPULAR ELECTRONICS [1] Nov 1972 (v.2#5) pg. 49

A look at the five types of basic hi-fi speaker enclosures: infinite baffle, bass reflex, folded horn, folded corner horn, and acoustical suspension.
POPULAR ELECTRONICS [1] Apr 1973 (v.3#4) pg. 46

Closed box speaker system design. Part 1. How to match speaker to enclosure.
POPULAR ELECTRONICS [1] Jun 1973 (v.3#6) pg. 41

Closed box speaker system design. Part 2. Simplified design charts enable you to build your own speaker enclosures.
POPULAR ELECTRONICS [1] Jul 1973 (v.4#1) pg. 102

Design your own bass reflex hi-fi speaker systems. Part 1. Basic principles.
POPULAR ELECTRONICS [1] Jan 1974 (v.5#1) pg. 34

Design your own bass reflex hi-fi speaker systems. Part 2. Construction details.
POPULAR ELECTRONICS [1] Feb 1974 (v.5#2) pg. 70

Build a large-port speaker system featuring a novel high-efficiency reflector system. Handles up to 30 watts of peak power. Case is built from 3/4" plywood or particle board.
POPULAR ELECTRONICS [1] Aug 1974 (v.6#2) pg. 43

Build the "Plus 4" omnidirectional speaker system. One woofer and 4 tweeters provides good base response and open-quality high frequencies. Triangular shaped cabinet.
POPULAR ELECTRONICS [1] Mar 1975 (v.7#3) pg. 32

Ten speaker-enclosure fallacies discussed.
POPULAR ELECTRONICS [1] Jun 1976 (v.9#6) pg. 39

Tips on how to choose hi-fi speaker systems. What performance to look for.
POPULAR ELECTRONICS [1] Sep 1976 (v.10#3) pg. 66

Special focus on speakers. Covers innovations in speaker design, interpreting speaker test results, and the inportance of power-handling capacity.
POPULAR ELECTRONICS [1] Mar 1979 (v.15#3) pg. 41

Experiments with plasma acoustics shows how to make a flame speaker.
POPULAR ELECTRONICS [2] Oct 1992 (v.9#10) pg. 37
Added Info POPULAR ELECTRONICS [2] Dec 1992 (v.9#12) pg. 3

Design your own loudspeakers. Three simple computer programs (written in BASIC) facilitate the process.
POPULAR ELECTRONICS [2] Feb 1994 (v.11#2) pg. 40

Building a loudspeaker kit. Tips on assembling the A652 speaker kit from Madisound Speaker Components. Est. cost: $650 (pair).
POPULAR ELECTRONICS [2] Mar 1996 (v.13#3) pg. 46

Design your own bass-reflex, vented-enclosure loudspeaker. Includes a Basic language computer program that accepts Thiele parameters for the system being designed.
POPULAR ELECTRONICS [2] Apr 1996 (v.13#4) pg. 57

Auxiliary amplifier and speaker for transistor radios.
POPULAR MECHANICS Jan 1964 (v.121#1) pg. 196

Six speakers in one cabinet for hi-fi.
POPULAR MECHANICS Mar 1964 (v.121#3) pg. 192

Enclosure for 5" speaker provides good bass for hi-fi system.
POPULAR MECHANICS Jan 1965 (v.123#1) pg. 195

"Interflex", an unconventional speaker system that splits the music on your hi-fi records so you can pick out each instrument in the orchestra.
POPULAR MECHANICS Sep 1965 (v.124#3) pg. 194

Complete plans for a coneless loudspeaker. Responds up to 6,000 cycles. Est. cost: $4.
POPULAR MECHANICS Jun 1966 (v.125#6) pg. 168

Improve inexpensive speaker enclosures by placing washers over speaker mounting bolts between cabinet and speaker.
POPULAR MECHANICS Jul 1966 (v.126#1) pg. 168

Miniature permanent-magnet speaker made from a plastic spray can top can improve the sound from a pocket transistor radio.
POPULAR MECHANICS Jul 1970 (v.134#1) pg. 123

Test of stereo-quality loudspeakers costing under $80 dollars each.
POPULAR MECHANICS Jan 1976 (v.145#1) pg. 66

Cabinet built of birch plywood features ten feet of record storage, lots of storage for cassettes, built-in tape deck, amplifier, tuner and record player, plus matching enclosures for loudspeakers. Design can be varied to suit.
POPULAR MECHANICS Nov 1976 (v.146#5) pg. 120

Stereo sound from your walls. How to install the Acoustic 2000 AC coneless speaker that uses walls of your house as a sounding board.
POPULAR MECHANICS Jul 1982 (v.158#1) pg. 58

Build this time-compensated hi-fi speaker system. Designed so that the sounds from three drivers reach your ears simultaneously. Est. cost: $200.
RADIO-ELECTRONICS Dec 1978 (v.49#12) pg. 38

High performance minispeaker system to build. Two speakers fit into an 8"x4"x3" enclosure. Use also in automobile hi-fi systems. Estimated cost: $30.
RADIO-ELECTRONICS Dec 1980 (v.51#12) pg. 52

Build this hi-fi mini speaker. Uses the symmetrical air friction enclosure (SAFE) method to get extended bass response from small speakers. Incorporates a woofer, mid-range and tweeter speaker in a small cabinet.
RADIO-ELECTRONICS Dec 1981 (v.52#12) pg. 61

Build this SAFE (Symmetrical Air Friction Enclosure) sub-woofer. Provides extended base from a relatively small enclosure.
RADIO-ELECTRONICS Feb 1982 (v.53#2) pg. 66

Plans for an R-J design speaker enclosure for an 8" speaker.
RADIO-ELECTRONICS Mar 1986 (v.57#3) pg. 8

How to measure the impedance of a loudspeaker.
RADIO-ELECTRONICS Apr 1986 (v.57#4) pg. 6

Build a subwoofer simulator and fill your living room with movie-theater sound you can actually feel.
RADIO-ELECTRONICS May 1988 (v.59#5) pg. 57, 100

Low-cost amplified speaker system is useful for testing audio components, or to amplify a walkman-type stereo for "ears-free" listening. Est. cost: $17.
RADIO-ELECTRONICS Sep 1988 (v.59#9) pg. 41, 88
Added Info RADIO-ELECTRONICS Jul 1989 (v.60#7) pg. 14

The history and theory of the dynamic loudspeaker.
RADIO-ELECTRONICS May 1989 (v.60#5) pg. 70

Cardboard shoe box serves as both the frame and cone of a homemade permanent-magnet speaker. Est. cost: $ .50.
RADIO-TV EXPERIMENTER #806 Oct-Nov 1966 (v.21#2) pg. 65

Use a dual voice coil speaker to receive signals from two different receivers. Levels can be preset so that one signal source is reproduced as a background level and the second signal comes in much louder and overrides the background signal. Either signal circuit can be shut off. Est. cost: $10.
RADIO-TV EXPERIMENTER Jun-Jul 1967 (v.22#3) pg. 49

A wooden grandfather clock cabinet is actually a loudspeaker enclosure with an electric clock movement. It is constructed of 3/4" plywood.
RADIO-TV EXPERIMENTER Aug-Sep 1969 (v.27#1) pg. 39

Auxiliary speakers made by placing transistor radio replacement speakers in tin cans.
SCIENCE & ELECTRONICS [1] Jun-Jul 1970 (v.28#3) pg. 75

An 8" speaker with its own amplifier and power supply boosts the quality of sound from inexpensive, low-power cassette players, etc.
SCIENCE & ELECTRONICS [1] Oct-Nov 1970 (v.28#5) pg. 57

Small loudspeaker enclosure consists of a 4" speaker and 1" dome tweeter mounted inside a styrofoam beverage cooler.
SCIENCE & ELECTRONICS [2] Mar-Apr 1981 (v.21#2) pg. 69

Column speaker for your hi-fi.
SCIENCE & MECHANICS Mar 1964 (v.35#3) pg. 99

An ambience reproduction speaker system. Wedge-shaped speaker enclosures are equipped with a 5" full-range divider. Orienting two of them to reflect sound off the walls gives the illusion of a much larger acoustical room with six sources (two actual and four phantom).
SPEAKER BUILDER 1/1980 [Feb 1980] (v.1#1) pg. 12
Added Info SPEAKER BUILDER 2/1980 [May 1980] (v.1#2) pg. 35

Diffraction, the true story. Effect of the acoustic phenomenon called diffraction on loudspeaker systems.
SPEAKER BUILDER 1/1980 [Feb 1980] (v.1#1) pg. 28

A three-enclosure (multiple-driver) loudspeaker system with active delay and crossover. Sufficient information is given to duplicate the system or to improve existing systems by equalizing the low-frequency response or adding a separate woofer box. Part 1.
SPEAKER BUILDER 2/1980 [May 1980] (v.1#2) pg. 12
Added Info SPEAKER BUILDER 3/1980 [Sep 1980] (v.1#3) pg. 41
Added Info SPEAKER BUILDER 1/1981 [Mar 1981] (v.2#1) pg. 30
Added Info SPEAKER BUILDER 3/1981 [Aug 1981] (v.2#3) pg. 38, 39
Added Info SPEAKER BUILDER 3/1982 [Oct 1982] (v.3#3) pg. 36

A three-enclosure loudspeaker system with active delay and crossover. Part 2. ADDED INFO: 80301981.20 <2/1981 > p32
SPEAKER BUILDER 3/1980 [Sep 1980] (v.1#3) pg. 9
Added Info SPEAKER BUILDER 2/1981 [May 1981] (v.2#2) pg. 32

Thiele, Small and vented loudspeaker design. Description of the landmark work of A.N. Thiele and R.H. Small in the design of vented (bass reflex) loudspeakers. Part 1.
SPEAKER BUILDER 4/1980 [Dec 1980] (v.1#4) pg. 7
Added Info SPEAKER BUILDER 1/1981 [Mar 1981] (v.2#1) pg. 33
Correction SPEAKER BUILDER 1/1981 [Mar 1981] (v.2#1) pg. 34
Added Info SPEAKER BUILDER 2/1981 [May 1981] (v.2#2) pg. 33
Added Info SPEAKER BUILDER 3/1982 [Oct 1982] (v.3#3) pg. 37
Added Info SPEAKER BUILDER 4/1982 [Feb 1983] (v.3#4) pg. 38, 41
Correction SPEAKER BUILDER 1/1983 [Jun 1983] (v.4#1) pg. 41
Added Info SPEAKER BUILDER 1/1985 [Feb 1985] (v.6#1) pg. 39
Added Info SPEAKER BUILDER 2/1986 [May 1986] (v.7#2) pg. 55
Added Info SPEAKER BUILDER 2/1988 [Apr 1988] (v.9#2) pg. 45
Added Info SPEAKER BUILDER 3/1988 [May 1988] (v.9#3) pg. 65

A three-enclosure loudspeaker system. Part 3. Changes and refinements to the system.
SPEAKER BUILDER 4/1980 [Dec 1980] (v.1#4) pg. 14
Added Info SPEAKER BUILDER 1/1984 [Mar 1984] (v.5#1) pg. 37
Added Info SPEAKER BUILDER 2/1984 [Jun 1984] (v.5#2) pg. 36
Added Info SPEAKER BUILDER 1/1986 [Apr 1986] (v.7#1) pg. 48
Added Info SPEAKER BUILDER 2/1986 [May 1986] (v.7#2) pg. 55

Construction tips for the Fried "C" monitor satellite and "T" transmission line subwoofer kits.
SPEAKER BUILDER 4/1980 [Dec 1980] (v.1#4) pg. 31

Thiele, Small and vented loudspeaker design. Part 2. How you can determine design parameters for your loudspeaker.
SPEAKER BUILDER 1/1981 [Mar 1981] (v.2#1) pg. 12
Added Info SPEAKER BUILDER 2/1986 [May 1986] (v.7#2) pg. 55

Thick as a brick. An easy acoustic suspension project. Extension speakers use a 6" driver mounted in a concrete block.
SPEAKER BUILDER 2/1981 [May 1981] (v.2#2) pg. 7

Thiele, Small and vented loudspeaker design. Part 3. Fine points of vented speaker design.
SPEAKER BUILDER 2/1981 [May 1981] (v.2#2) pg. 18
Added Info SPEAKER BUILDER 3/1997 [May 1997] (v.18#3) pg. 50

Build a mini-pipe speaker. A 3" full-range driver is housed in a plastic pipe fitting (4" PVC 45-degree elbow).
SPEAKER BUILDER 3/1981 [Aug 1981] (v.2#3) pg. 7

Thiele, Small and vented loudspeaker design. Part 4. Alternative alignments.
SPEAKER BUILDER 3/1981 [Aug 1981] (v.2#3) pg. 18
Added Info SPEAKER BUILDER 2/1982 [May 1982] (v.3#2) pg. 38
Added Info SPEAKER BUILDER 4/1983 [Dec 1983] (v.4#4) pg. 40

Tips on building and tuning passive radiator loudspeakers.
SPEAKER BUILDER 3/1981 [Aug 1981] (v.2#3) pg. 29

A calculator program for Thiele-Small loudspeaker driver parameter computation. Program is for a Hewlett-Packard HP-34C.
SPEAKER BUILDER 4/1981 [Nov 1981] (v.2#4) pg. 11

Building the Falcon Acoustic's "Monitor Quality Compact" loudspeaker kit.
SPEAKER BUILDER 4/1981 [Nov 1981] (v.2#4) pg. 32
Added Info SPEAKER BUILDER 1/1982 [Feb 1982] (v.3#1) pg. 38, 39
Added Info SPEAKER BUILDER 2/1982 [May 1982] (v.3#2) pg. 38
Added Info SPEAKER BUILDER 3/1982 [Oct 1982] (v.3#3) pg. 36
Added Info SPEAKER BUILDER 1/1985 [Feb 1985] (v.6#1) pg. 39
Added Info SPEAKER BUILDER 6/1988 [Nov 1988] (v.9#6) pg. 68

Thiele, Small and vented loudspeaker design. Part 5. Sixth order alignments.
SPEAKER BUILDER 1/1982 [Feb 1982] (v.3#1) pg. 20
Added Info SPEAKER BUILDER 3/1985 [Aug 1985] (v.6#3) pg. 49
Added Info SPEAKER BUILDER 4/1988 [Jul 1988] (v.9#4) pg. 55
Added Info SPEAKER BUILDER 1/1991 [Feb 1991] (v.12#1) pg. 92

Simple modifications aimed at achieving maximum performance from the Dahlquist DQ-10 loudspeakers.
SPEAKER BUILDER 1/1982 [Feb 1982] (v.3#1) pg. 36

The AR-1 rejuvenated. A way to select and modify drivers and tune the enclosure to these modified drivers which is easily repeatable by any hobbyist.
SPEAKER BUILDER 2/1982 [May 1982] (v.3#2) pg. 7
Added Info SPEAKER BUILDER 3/1982 [Oct 1982] (v.3#3) pg. 41
Added Info SPEAKER BUILDER 1/1986 [Apr 1986] (v.7#1) pg. 36
Added Info SPEAKER BUILDER 1/1986 [Apr 1986] (v.7#1) pg. 52 (AR-3 modifications)
Added Info SPEAKER BUILDER 2/1990 [Apr 1990] (v.11#2) pg. 60
Added Info SPEAKER BUILDER 1/1994 [Jan 1994] (v.15#1) pg. 71

A speaker builder's odyssey. Search for the ultimate home built speaker system. Part 1.
SPEAKER BUILDER 3/1982 [Oct 1982] (v.3#3) pg. 28

A three-way corner loudspeaker system. Designed for an in-home listening environment where quality of sound is paramount and high efficiency is traded for more massive but better damped drivers, with flatter response and gentler crossover slopes with better phase response.
SPEAKER BUILDER 4/1982 [Feb 1983] (v.3#4) pg. 7
Added Info SPEAKER BUILDER 3/1984 [Aug 1984] (v.5#3) pg. 38

A speaker builder's odyssey. Part 2.
SPEAKER BUILDER 4/1982 [Feb 1983] (v.3#4) pg. 31

Tips and rules of thumb for beginning speaker builders.
SPEAKER BUILDER 4/1982 [Feb 1983] (v.3#4) pg. 38

Thiele-Small calculator programs. Works with the TI-58, TI-59, HP-97 and HP-67. Use the program to examine the response of a particular loudspeaker driver and enclosure (vented box alignment) to see whether it will meet your performance criteria.
SPEAKER BUILDER 1/1983 [Jun 1983] (v.4#1) pg. 15
Correction SPEAKER BUILDER 2/1984 [Jun 1984] (v.5#2) pg. 36
Correction SPEAKER BUILDER 5/1992 [Sep 1992] (v.13#5) pg. 51
Correction SPEAKER BUILDER 1/1993 [Jan 1993] (v.14#1) pg. 67
Correction SPEAKER BUILDER 6/1994 [Aug 1994] (v.15#6) pg. 53

A speaker builder's odyssey. Part 3.
SPEAKER BUILDER 1/1983 [Jun 1983] (v.4#1) pg. 28

Report on assembling the USA 61 loudspeaker kit from Universal Sound (Florida).
SPEAKER BUILDER 1/1983 [Jun 1983] (v.4#1) pg. 30
Added Info SPEAKER BUILDER 4/1983 [Dec 1983] (v.4#4) pg. 43

A speaker builder's odyssey. Part 4.
SPEAKER BUILDER 2/1983 [Aug 1983] (v.4#2) pg. 24
Correction SPEAKER BUILDER 3/1983 [Oct 1983] (v.4#3) pg. 38

Thiele-Small nomograms. How to simplify parameter measurement when designing loudspeakers.
SPEAKER BUILDER 3/1983 [Oct 1983] (v.4#3) pg. 26
Added Info SPEAKER BUILDER 1/1985 [Feb 1985] (v.6#1) pg. 40

Report on assembling the Acoustical Physics Laboratories' Acoustic Image Model II loudspeaker kit.
SPEAKER BUILDER 3/1983 [Oct 1983] (v.4#3) pg. 34
Correction SPEAKER BUILDER 4/1983 [Dec 1983] (v.4#4) pg. 34

A speaker builder's odyssey. Part 5.
SPEAKER BUILDER 4/1983 [Dec 1983] (v.4#4) pg. 28

BOXRESPONSE. An Apple BASIC computer program for the Thiele-Small models of loudspeaker design and calibration. Supplies model-based performance data for either closed or vented-box enclosures with or without the use of a first or second-order electrical high-pass filter as an active equalizer.
SPEAKER BUILDER 1/1984 [Mar 1984] (v.5#1) pg. 13
Added Info SPEAKER BUILDER 1/1985 [Feb 1985] (v.6#1) pg. 28
Correction SPEAKER BUILDER 1/1986 [Apr 1986] (v.7#1) pg. 42
Added Info SPEAKER BUILDER 1/1986 [Apr 1986] (v.7#1) pg. 54
Added Info SPEAKER BUILDER 3/1986 [Aug 1986] (v.7#3) pg. 45
Added Info SPEAKER BUILDER 4/1986 [Oct 1986] (v.7#4) pg. 49
Correction SPEAKER BUILDER 4/1987 [Dec 1987] (v.8#4) pg. 50
Added Info SPEAKER BUILDER 4/1988 [Jul 1988] (v.9#4) pg. 66
Correction SPEAKER BUILDER 5/1992 [Sep 1992] (v.13#5) pg. 51
Correction SPEAKER BUILDER 1/1993 [Jan 1993] (v.14#1) pg. 67
Correction SPEAKER BUILDER 6/1994 [Aug 1994] (v.15#6) pg. 53

A speaker builder's odyssey. Part 6.
SPEAKER BUILDER 2/1984 [Jun 1984] (v.5#2) pg. 28
Added Info SPEAKER BUILDER 5/1989 [Sep 1989] (v.10#5) pg. 67

Loudspeakers. A beginner builds his first speaker.
SPEAKER BUILDER 3/1984 [Aug 1984] (v.5#3) pg. 2A

Loudspeakers from A to Z. How they work.
SPEAKER BUILDER 3/1984 [Aug 1984] (v.5#3) pg. 4A
Correction SPEAKER BUILDER 2/1985 [May 1985] (v.6#2) pg. 46

Assembling the Audio Concepts' Model C loudspeaker kit.
SPEAKER BUILDER 3/1984 [Aug 1984] (v.5#3) pg. 34

A high-power satellite/subwoofer speaker system is a two-way, three-driver design that provides substantially increased power-handling capability (110dB at any frequency above 40Hz).
SPEAKER BUILDER 4/1984 [Dec 1984] (v.5#4) pg. 7
Added Info SPEAKER BUILDER 2/1985 [May 1985] (v.6#2) pg. 46, 48, 49
Added Info SPEAKER BUILDER 4/1985 [Nov 1985] (v.6#4) pg. 46
Added Info SPEAKER BUILDER 1/1986 [Apr 1986] (v.7#1) pg. 44, 48
Added Info SPEAKER BUILDER 2/1986 [May 1986] (v.7#2) pg. 48
Added Info SPEAKER BUILDER 3/1986 [Aug 1986] (v.7#3) pg. 50
Added Info SPEAKER BUILDER 1/1987 [Jan 1987] (v.8#1) pg. 48
Added Info SPEAKER BUILDER 4/1987 [Dec 1987] (v.8#4) pg. 39
Added Info SPEAKER BUILDER 1/1988 [Jan 1988] (v.9#1) pg. 56
Added Info SPEAKER BUILDER 4/1988 [Jul 1988] (v.9#4) pg. 65
Added Info SPEAKER BUILDER 6/1988 [Nov 1988] (v.9#6) pg. 65, 72
Added Info SPEAKER BUILDER 1/1989 [Jan 1989] (v.10#1) pg. 59
Added Info SPEAKER BUILDER 4/1989 [Jul 1989] (v.10#4) pg. 34, 61

The curvilinear vertical array. Incorporates a push-pull bass system in a B4 alignment, three large dome midranges and two ribbon tweeters. The enclosure is a pyramid design.
SPEAKER BUILDER 2/1985 [May 1985] (v.6#2) pg. 7
Added Info SPEAKER BUILDER 4/1986 [Oct 1986] (v.7#4) pg. 47
Added Info SPEAKER BUILDER 6/1988 [Nov 1988] (v.9#6) pg. 73
Added Info SPEAKER BUILDER 1/1989 [Jan 1989] (v.10#1) pg. 55

An Isobarik system. An overview of the theory, wiring, crossover and enclosure design to construct a typical Isobarik loudspeaker.
SPEAKER BUILDER 3/1985 [Aug 1985] (v.6#3) pg. 7
Added Info SPEAKER BUILDER 4/1985 [Nov 1985] (v.6#4) pg. 51, 52
Added Info SPEAKER BUILDER 1/1986 [Apr 1986] (v.7#1) pg. 42, 48, 50
Added Info SPEAKER BUILDER 2/1986 [May 1986] (v.7#2) pg. 44, 46
Added Info SPEAKER BUILDER 3/1986 [Aug 1986] (v.7#3) pg. 40, 46
Added Info SPEAKER BUILDER 2/1987 [May 1987] (v.8#2) pg. 65
Added Info SPEAKER BUILDER 3/1989 [May 1989] (v.10#3) pg. 62
Added Info SPEAKER BUILDER 6/1990 [Nov 1990] (v.11#6) pg. 75

An acoustical ambience extraction system. How to better extract the ambient information contained in stereo recordings. Systems combining three to eight speakers are shown to extract more sound than two-speaker systems. Includes tables of driver alternatives, enclosure dimensions, vented-box alignments, etc.
SPEAKER BUILDER 3/1985 [Aug 1985] (v.6#3) pg. 31

Report on assembling the Model G loudspeaker kit from Audio Concepts. Includes modification and revision tips.
SPEAKER BUILDER 1/1986 [Apr 1986] (v.7#1) pg. 30

Mini-dancer. A push/pull constant pressure speaker system.
SPEAKER BUILDER 3/1986 [Aug 1986] (v.7#3) pg. 9
Added Info SPEAKER BUILDER 1/1987 [Jan 1987] (v.8#1) pg. 50
Added Info SPEAKER BUILDER 4/1988 [Jul 1988] (v.9#4) pg. 52

Report on assembling the Focal Model 280 egg-shaped loudspeaker kit.
SPEAKER BUILDER 3/1986 [Aug 1986] (v.7#3) pg. 30

Tips on building a complete speaker system around the Strathearn driver. Includes schematic for a passive crossover.
SPEAKER BUILDER 4/1986 [Oct 1986] (v.7#4) pg. 41

An introduction to frequency response and LMP (loudspeaker modelling program). Part 1. Phase versus frequency and magnitude versus frequency responses of filters as they relate to loudspeaker system design.
SPEAKER BUILDER 1/1987 [Jan 1987] (v.8#1) pg. 18
Correction SPEAKER BUILDER 2/1987 [May 1987] (v.8#2) pg. 57
Added Info SPEAKER BUILDER 4/1988 [Jul 1988] (v.9#4) pg. 60
Added Info SPEAKER BUILDER 6/1989 [Nov 1989] (v.10#6) pg. 64
Added Info SPEAKER BUILDER 5/1991 [Oct 1991] (v.12#5) pg. 72

An introduction to frequency response and LMP (loudspeaker modelling program). Part 2. The response step.
SPEAKER BUILDER 2/1987 [May 1987] (v.8#2) pg. 42
Added Info SPEAKER BUILDER 3/1987 [Aug 1987] (v.8#3) pg. 58
Added Info SPEAKER BUILDER 1/1988 [Jan 1988] (v.9#1) pg. 48
Added Info SPEAKER BUILDER 2/1988 [Apr 1988] (v.9#2) pg. 56
Added Info SPEAKER BUILDER 3/1988 [May 1988] (v.9#3) pg. 66, 67

Rapid loudspeaker design using spreadsheets. New approach to designing and simulating closed-box and vented-box loudspeaker systems. Part 1.
SPEAKER BUILDER 3/1987 [Aug 1987] (v.8#3) pg. 16

LMP (loudspeaker modelling program), a construction example. Using LMP to design the crossover for a small two-way system. Overall dimensions: 9"x10"x18" tall.
SPEAKER BUILDER 3/1987 [Aug 1987] (v.8#3) pg. 38
Added Info SPEAKER BUILDER 2/1988 [Apr 1988] (v.9#2) pg. 56

Balancing small speakers. An intriguing acoustic alternative for eliminating the "response step" which may be responsible for the "forward" sound in many small speakers.
SPEAKER BUILDER 3/1987 [Aug 1987] (v.8#3) pg. 44

Mobile, rugged, outdoor speakers of closed-box design. Incorporates a 6"x9" coaxial driver in an 8"x9"x11" tall enclosure.
SPEAKER BUILDER 4/1987 [Dec 1987] (v.8#4) pg. 28

Kit report on L.A. White's nonresonant loudspeaker.
SPEAKER BUILDER 4/1987 [Dec 1987] (v.8#4) pg. 35
Added Info SPEAKER BUILDER 1/1989 [Jan 1989] (v.10#1) pg. 55

Incredible bass performance from a two-way design. Design is used to test the validity of Thiele bass reflex theory. Overall dimensions: 18"x14"x36" tall. Est. cost: $300/pair.
SPEAKER BUILDER 1/1988 [Jan 1988] (v.9#1) pg. 26
Added Info SPEAKER BUILDER 3/1988 [May 1988] (v.9#3) pg. 55

Modifying Radio Shack's Minimus-7. Improve the sound by installing a new crossover and careful placement in the listening room.
SPEAKER BUILDER 1/1988 [Jan 1988] (v.9#1) pg. 36
Correction SPEAKER BUILDER 3/1988 [May 1988] (v.9#3) pg. 55
Added Info SPEAKER BUILDER 6/1988 [Nov 1988] (v.9#6) pg. 64
Added Info SPEAKER BUILDER 5/1989 [Sep 1989] (v.10#5) pg. 63
Added Info SPEAKER BUILDER 6/1989 [Nov 1989] (v.10#6) pg. 74
Added Info SPEAKER BUILDER 2/1990 [Apr 1990] (v.11#2) pg. 71

A high quality dome midrange/tweeter array. Using a mid-tweeter-mid (MTM) driver configuration with an "open-backed" baffle in a 12"x12"x18" enclosure.
SPEAKER BUILDER 2/1988 [Apr 1988] (v.9#2) pg. 9
Correction SPEAKER BUILDER 4/1988 [Jul 1988] (v.9#4) pg. 51
Added Info SPEAKER BUILDER 4/1988 [Jul 1988] (v.9#4) pg. 51, 52
Added Info SPEAKER BUILDER 5/1989 [Sep 1989] (v.10#5) pg. 71
Added Info SPEAKER BUILDER 6/1989 [Nov 1989] (v.10#6) pg. 65
Correction SPEAKER BUILDER 1/1990 [Feb 1990] (v.11#1) pg. 3
Added Info SPEAKER BUILDER 2/1991 [Apr 1991] (v.12#2) pg. 69

Report on E.J. Jordan USA model HRM (high resolution monitor) two-way bookshelf loudspeaker kit.
SPEAKER BUILDER 2/1988 [Apr 1988] (v.9#2) pg. 39
Added Info SPEAKER BUILDER 4/1988 [Jul 1988] (v.9#4) pg. 51

Low-cost upgrade for the AR-3 speakers from Acoustic Research. Installing a new midrange, tweeter and crossover.
SPEAKER BUILDER 3/1988 [May 1988] (v.9#3) pg. 9
Added Info SPEAKER BUILDER 1/1990 [Feb 1990] (v.11#1) pg. 56

The Swan IV speaker system. Part 1. Background and development, design criteria, crossover considerations, and driver selection. [Related article 4/1984 p7]
SPEAKER BUILDER 4/1988 [Jul 1988] (v.9#4) pg. 9
Added Info SPEAKER BUILDER 6/1988 [Nov 1988] (v.9#6) pg. 64, 65
Added Info SPEAKER BUILDER 1/1989 [Jan 1989] (v.10#1) pg. 57, 59
Correction SPEAKER BUILDER 2/1989 [Mar 1989] (v.10#2) pg. 60
Added Info SPEAKER BUILDER 2/1989 [Mar 1989] (v.10#2) pg. 60, 62
Added Info SPEAKER BUILDER 4/1989 [Jul 1989] (v.10#4) pg. 61, 67, 68, 69, 70
Correction SPEAKER BUILDER 5/1989 [Sep 1989] (v.10#5) pg. 55
Added Info SPEAKER BUILDER 2/1990 [Apr 1990] (v.11#2) pg. 3
Added Info SPEAKER BUILDER 3/1990 [Jun 1990] (v.11#3) pg. 62, 78, 88
Added Info SPEAKER BUILDER 1/1991 [Feb 1991] (v.12#1) pg. 34, 91
Added Info SPEAKER BUILDER 2/1991 [Apr 1991] (v.12#2) pg. 81
Added Info SPEAKER BUILDER 3/1991 [Jun 1991] (v.12#3) pg. 83, 84
Added Info SPEAKER BUILDER 5/1991 [Oct 1991] (v.12#5) pg. 72
Added Info SPEAKER BUILDER 6/1991 [Dec 1991] (v.12#6) pg. 78
Added Info SPEAKER BUILDER 3/1992 [May 1992] (v.13#3) pg. 14
Added Info SPEAKER BUILDER 4/1992 [Jul 1992] (v.13#4) pg. 62
Added Info SPEAKER BUILDER 6/1992 [Dec 1992] (v.13#6) pg. 46
Added Info SPEAKER BUILDER 7/1999 [Nov 1999] (v.20#7) pg. 43

The Swan IV speaker system. Part 2. Cabinet design and construction, final assembly and grille considerations, and room placement and listening tests.
SPEAKER BUILDER 5/1988 [Sep 1988] (v.9#5) pg. 34
Added Info SPEAKER BUILDER 1/1989 [Jan 1989] (v.10#1) pg. 56, 61
Added Info SPEAKER BUILDER 5/1989 [Sep 1989] (v.10#5) pg. 50
Added Info SPEAKER BUILDER 6/1990 [Nov 1990] (v.11#6) pg. 85
Added Info SPEAKER BUILDER 4/1991 [Aug 1991] (v.12#4) pg. 48

M-S speaker system. Based on the middle-side stereo miking technique, this single speaker produces stereo sound. A front driver receives the sum of the left and right channels, and the difference is sent to the rear drivers which are wired out of phase. Overall dimensions: 14"x12"x30" tall.
SPEAKER BUILDER 1/1989 [Jan 1989] (v.10#1) pg. 10

Commercial speaker alignment by time. Tips on modifying an AR-30 Connoisseur Series loudspeaker to move the woofer forward of the tweeter.
SPEAKER BUILDER 1/1989 [Jan 1989] (v.10#1) pg. 20

A T/S drive program. Computer program written in BASIC will make the job of determining the Thiele/Small parameters of raw drivers much easier and faster.
SPEAKER BUILDER 1/1989 [Jan 1989] (v.10#1) pg. 22

CLOSED BOX computer program determines the response of a driver in a sealed box. Examples of using the program are included. The program must be ordered.
SPEAKER BUILDER 1/1989 [Jan 1989] (v.10#1) pg. 22

Vintage designs. Wharfedale Airedale version of the omni-directional 3-speaker corner system (circa 1961).
SPEAKER BUILDER 1/1989 [Jan 1989] (v.10#1) pg. 69
Added Info SPEAKER BUILDER 1/1990 [Feb 1990] (v.11#1) pg. 52

Audio laboratory loudspeaker system. Build a vented-box system that is fairly compact, has an extremely smooth and balanced frequency response, and is highly efficient for a home system. Est. cost: $300-$400 per pair.
SPEAKER BUILDER 2/1989 [Mar 1989] (v.10#2) pg. 10

Equalizing the Klipsch Cornwall (circa 1980). Modification for a speaker equipped with a K-33 bass driver. Includes cabinet construction details and tuning modifications.
SPEAKER BUILDER 3/1989 [May 1989] (v.10#3) pg. 36

Rehab for better kitchen music. Updating a small speaker (8"x7"x12") by installing better tweeters and a third-order crossover.
SPEAKER BUILDER 4/1989 [Jul 1989] (v.10#4) pg. 28

The beauty of spreadsheets. Some tips on using electronic (computer) spreadsheet software to help design a loudspeaker.
SPEAKER BUILDER 4/1989 [Jul 1989] (v.10#4) pg. 30

Practical considerations for passive radiator systems. A look at the design, construction and placement considerations which affect the sound of passive systems.
SPEAKER BUILDER 4/1989 [Jul 1989] (v.10#4) pg. 41
Added Info SPEAKER BUILDER 5/1989 [Sep 1989] (v.10#5) pg. 69
Added Info SPEAKER BUILDER 6/1989 [Nov 1989] (v.10#6) pg. 71
Added Info SPEAKER BUILDER 1/1990 [Feb 1990] (v.11#1) pg. 59
Added Info SPEAKER BUILDER 5/1990 [Sep 1990] (v.11#5) pg. 78
Added Info SPEAKER BUILDER 1/1991 [Feb 1991] (v.12#1) pg. 81
Added Info SPEAKER BUILDER 2/1991 [Apr 1991] (v.12#2) pg. 59

Closed-box bass speaker design program (written in BASIC) allows you to investigate the closed-box loading of any driver.
SPEAKER BUILDER 4/1989 [Jul 1989] (v.10#4) pg. 58
Added Info SPEAKER BUILDER 2/1990 [Apr 1990] (v.11#2) pg. 66

Tips on calculating vented-box alignments using Newton's method.
SPEAKER BUILDER 5/1989 [Sep 1989] (v.10#5) pg. 65, 66

Modifying the Paradigm 7se loudspeaker.
SPEAKER BUILDER 6/1989 [Nov 1989] (v.10#6) pg. 26
Added Info SPEAKER BUILDER 3/1990 [Jun 1990] (v.11#3) pg. 4

Report on the new Focal Egg II two-way speaker kit which may be constructed as either a sealed or vented system.
SPEAKER BUILDER 6/1989 [Nov 1989] (v.10#6) pg. 49
Added Info SPEAKER BUILDER 1/1990 [Feb 1990] (v.11#1) pg. 60
Added Info SPEAKER BUILDER 6/1990 [Nov 1990] (v.11#6) pg. 70

Vintage designs. Jensen Concerto-15 two-way speaker system kit (circa 1956).
SPEAKER BUILDER 6/1989 [Nov 1989] (v.10#6) pg. 61

Minimus-7 super mod. Combine a pair of these inexpensive Radio Shack speakers into a D'Appolito configuration with an improved crossover design.
SPEAKER BUILDER 1/1990 [Feb 1990] (v.11#1) pg. 42
Correction SPEAKER BUILDER 3/1990 [Jun 1990] (v.11#3) pg. 3

Converting spherical omnidirectional speakers into vent-connected "sphere-odds" (hemispherical speaker enclosures).
SPEAKER BUILDER 1/1990 [Feb 1990] (v.11#1) pg. 50

A small (11"x10"x17" tall) two-way acoustic suspension design loudspeaker system to produce midrange and treble with good resolution and accuracy.
SPEAKER BUILDER 2/1990 [Apr 1990] (v.11#2) pg. 24

Helmholtz spreadsheet. Using a computer spreadsheet program to perform a number of useful variations on the basic Helmholtz vent length (resonator) formulas used in designing loudspeaker enclosures.
SPEAKER BUILDER 2/1990 [Apr 1990] (v.11#2) pg. 26
Correction SPEAKER BUILDER 1/1991 [Feb 1991] (v.12#1) pg. 82

Heresy upon a Heresy. Updating a pair of 1950's vintage Klipsch Heresy speakers to convert them into monitors for a radio studio.
SPEAKER BUILDER 2/1990 [Apr 1990] (v.11#2) pg. 28

Beer budget window rattler. Double 12" woofer arrangement combined with two midrange drivers and one tweeter is designed to be driven at high levels by a 60-100W integrated amplifier linked to a CD player. Overall dimensions: 17"x21"x58" tall. Est. cost: $650 per pair.
SPEAKER BUILDER 3/1990 [Jun 1990] (v.11#3) pg. 10
Added Info SPEAKER BUILDER 1/1991 [Feb 1991] (v.12#1) pg. 96
Added Info SPEAKER BUILDER 2/1991 [Apr 1991] (v.12#2) pg. 61

The MDT mini-monitor. Closed-box speaker (15"x10"x15" tall) features simple construction from MDF (medium density fiberboard).
SPEAKER BUILDER 3/1990 [Jun 1990] (v.11#3) pg. 26
Added Info SPEAKER BUILDER 3/1991 [Jun 1991] (v.12#3) pg. 94

Titanium + TPX + Polypropylene = Fidelity. Speaker system features dual 10" woofer, 8" lower midrange, 5" midrange, 1" tweeter, simple construction, and per-driver cost under $40. Overall dimensions: 20"x15"x49" tall.
SPEAKER BUILDER 3/1990 [Jun 1990] (v.11#3) pg. 34
Added Info SPEAKER BUILDER 1/1991 [Feb 1991] (v.12#1) pg. 85

Design tips for a three-way full D'Appolito geometry loudspeaker.
SPEAKER BUILDER 3/1990 [Jun 1990] (v.11#3) pg. 88

A modular three-way active loudspeaker which utilizes the Linkwitz equalized fourth-order filter circuits. Each section is optimized for its function and can be changed if a new driver dictates a different design.
SPEAKER BUILDER 4/1990 [Aug 1990] (v.11#4) pg. 36
Correction SPEAKER BUILDER 6/1990 [Nov 1990] (v.11#6) pg. 3
Added Info SPEAKER BUILDER 6/1990 [Nov 1990] (v.11#6) pg. 3
Added Info SPEAKER BUILDER 2/1991 [Apr 1991] (v.12#2) pg. 74

A speaker system for CDs (compact discs). Designed for listening to music at concert hall volume in the home. Overall dimensions: 11"x17"x31" tall.
SPEAKER BUILDER 4/1990 [Aug 1990] (v.11#4) pg. 44
Added Info SPEAKER BUILDER 6/1990 [Nov 1990] (v.11#6) pg. 82

Tips on using "Speaker Designer", a computerized design and modeling tool.
SPEAKER BUILDER 4/1990 [Aug 1990] (v.11#4) pg. 47

Assembling and customizing the Pitts loudspeaker kit.
SPEAKER BUILDER 4/1990 [Aug 1990] (v.11#4) pg. 65

Brief explanation of face-to-face (compound, Isobarik, push-pull) speaker systems.
SPEAKER BUILDER 4/1990 [Aug 1990] (v.11#4) pg. 85

Tip on including voice coil inductance when modeling speaker designs.
SPEAKER BUILDER 5/1990 [Sep 1990] (v.11#5) pg. 3
Added Info SPEAKER BUILDER 6/1990 [Nov 1990] (v.11#6) pg. 80

The wonder of a symmetrical Isobarik. Small satellite system consists of John Cockroft's Isobarik speakers in a symmetrical D'Appolito configuration. Each cabinet combines four Radio Shack 40-1022A woofers with a tweeter.
SPEAKER BUILDER 5/1990 [Sep 1990] (v.11#5) pg. 10
Added Info SPEAKER BUILDER 1/1991 [Feb 1991] (v.12#1) pg. 95
Correction SPEAKER BUILDER 2/1991 [Apr 1991] (v.12#2) pg. 59
Added Info SPEAKER BUILDER 5/1992 [Sep 1992] (v.13#5) pg. 44
Added Info SPEAKER BUILDER 3/1993 [May 1993] (v.14#3) pg. 65
Added Info SPEAKER BUILDER 5/1993 [Oct 1993] (v.14#5) pg. 79
Added Info SPEAKER BUILDER 3/1994 [Apr 1994] (v.15#3) pg. 64
Added Info SPEAKER BUILDER 3/1998 [May 1998] (v.19#3) pg. 55

A triamplified modular system. Three optimized modules are independent, stand-alone elements covering different frequencies. Any one module can be upgraded or replaced without disrupting the integrity of the others.
SPEAKER BUILDER 5/1990 [Sep 1990] (v.11#5) pg. 46
Correction SPEAKER BUILDER 1/1991 [Feb 1991] (v.12#1) pg. 81

Improved vented box with low QTS drivers.
SPEAKER BUILDER 6/1990 [Nov 1990] (v.11#6) pg. 23
Added Info SPEAKER BUILDER 3/1991 [Jun 1991] (v.12#3) pg. 88
Added Info SPEAKER BUILDER 3/1992 [May 1992] (v.13#3) pg. 72
Added Info SPEAKER BUILDER 6/1992 [Dec 1992] (v.13#6) pg. 55

Four eight by twos. An 8" two-way system features good sound (50Hz-20kHz), reasonable cost ($250-$320 per pair), and manageable size (11"x11"x24").
SPEAKER BUILDER 6/1990 [Nov 1990] (v.11#6) pg. 38

Modifying (upgrading) the Dynaco A-25 speaker system (circa 1969).
SPEAKER BUILDER 6/1990 [Nov 1990] (v.11#6) pg. 53

Report on assembling Audio Concepts' Sapphire II loudspeaker kit.
SPEAKER BUILDER 6/1990 [Nov 1990] (v.11#6) pg. 56
Correction SPEAKER BUILDER 1/1991 [Feb 1991] (v.12#1) pg. 81
Added Info SPEAKER BUILDER 3/1992 [May 1992] (v.13#3) pg. 24
Added Info SPEAKER BUILDER 2/1994 [Mar 1994] (v.15#2) pg. 66

Mathematical equations useful in designing vented box loudspeakers.
SPEAKER BUILDER 1/1991 [Feb 1991] (v.12#1) pg. 73

Thiele/Small equations for two drivers mounted on a common baffle and driven in parallel.
SPEAKER BUILDER 2/1991 [Apr 1991] (v.12#2) pg. 68

Calculating LF response with PSpice. How to model almost any speaker system as an equivalent circuit and use the PSpice computer simulation program to make graphs of frequency response, phase response, transient response, and cone excursion versus frequency.
SPEAKER BUILDER 3/1991 [Jun 1991] (v.12#3) pg. 20
Added Info SPEAKER BUILDER 5/1991 [Oct 1991] (v.12#5) pg. 68, 69
Added Info SPEAKER BUILDER 2/1992 [Apr 1992] (v.13#2) pg. 10

The DELAC (Delaware Acoustics) S10 loudspeaker. An elegant, unusual and compact speaker that puts soundstaging, timbral balance, musicality, and aesthetics above high power handling and bass response (below 50Hz).
SPEAKER BUILDER 3/1991 [Jun 1991] (v.12#3) pg. 32
Added Info SPEAKER BUILDER 5/1991 [Oct 1991] (v.12#5) pg. 69
Added Info SPEAKER BUILDER 1/1992 [Jan 1992] (v.13#1) pg. 63
Added Info SPEAKER BUILDER 3/1994 [Apr 1994] (v.15#3) pg. 36 (Revised system)

Integrite: rational speaker design. An introduction to the step-by-step decision process required to design a loudspeaker that accurately reproduces sound. Also includes construction information for one speaker system.
SPEAKER BUILDER 4/1991 [Aug 1991] (v.12#4) pg. 22

A versatile modification for all of Radio Shack's Minimus 7 loudspeakers.
SPEAKER BUILDER 4/1991 [Aug 1991] (v.12#4) pg. 38
Correction SPEAKER BUILDER 5/1991 [Oct 1991] (v.12#5) pg. 64
Added Info SPEAKER BUILDER 5/1991 [Oct 1991] (v.12#5) pg. 80
Correction SPEAKER BUILDER 6/1991 [Dec 1991] (v.12#6) pg. 71

Simplifying speaker and cabinet assembly. Some tips.
SPEAKER BUILDER 4/1991 [Aug 1991] (v.12#4) pg. 40
Added Info SPEAKER BUILDER 6/1991 [Dec 1991] (v.12#6) pg. 82

The DOALS (Demers Omnidirectional Acoustic Lens Speaker) party speaker. Design and construction of a vertically phase coherent, vertically diffractive, semicircular omnidirecting speaker. Designed to cover an entire room with music at a uniform volume level.
SPEAKER BUILDER 5/1991 [Oct 1991] (v.12#5) pg. 36

Speaker sensitivity to errors in Thiele/Small parameters. Using the T/S model to look at the interaction between speaker and box to evaluate how deviations from the original design can affect the frequency response of the finished product.
SPEAKER BUILDER 6/1991 [Dec 1991] (v.12#6) pg. 10

Back in black. Construct a speaker system (consisting of a subwoofer and two truncated-pyramid towers) that can handle rock-and-roll music at concert levels.
SPEAKER BUILDER 6/1991 [Dec 1991] (v.12#6) pg. 36

A loudspeaker design that uses active crossovers and delay to gain maximum efficiency from a small system.
SPEAKER BUILDER 1/1992 [Jan 1992] (v.13#1) pg. 36
Correction SPEAKER BUILDER 3/1992 [May 1992] (v.13#3) pg. 71
Added Info SPEAKER BUILDER 5/1992 [Sep 1992] (v.13#5) pg. 55

Building the Model 249 loudspeaker, a two-way satellite speaker system that is modestly efficient, capable of handling at least 75W, and constructed of walnut-veneered MDF with every edge mitered.
SPEAKER BUILDER 2/1992 [Apr 1992] (v.13#2) pg. 22

Bi-amping the Sapphire II satellite speakers and the Sub-1 subwoofer. Value of multi-amplification and details on enhancing the popular Audio Concepts loudspeaker. Includes sidebar on damping factor.
SPEAKER BUILDER 3/1992 [May 1992] (v.13#3) pg. 24
Added Info SPEAKER BUILDER 5/1992 [Sep 1992] (v.13#5) pg. 64
Added Info SPEAKER BUILDER 6/1992 [Dec 1992] (v.13#6) pg. 46
Added Info SPEAKER BUILDER 1/1993 [Jan 1993] (v.14#1) pg. 62
Added Info SPEAKER BUILDER 2/1993 [Mar 1993] (v.14#2) pg. 76
Added Info SPEAKER BUILDER 4/1993 [Jul 1993] (v.14#4) pg. 77
Added Info SPEAKER BUILDER 6/1993 [Dec 1993] (v.14#6) pg. 70
Added Info SPEAKER BUILDER 3/1994 [Apr 1994] (v.15#3) pg. 68
Added Info SPEAKER BUILDER 2/1994 [Mar 1994] (v.15#2) pg. 66

The disappearing loudspeaker. A computer-optimized loudspeaker design accounts for box diffraction at low frequency, woofer imperfections in the crossover range, and the tweeter's fundamental resonance. The result is a pair of compact near-field monitors equalized for close listening.
SPEAKER BUILDER 3/1992 [May 1992] (v.13#3) pg. 42
Correction SPEAKER BUILDER 4/1992 [Jul 1992] (v.13#4) pg. 62
Added Info SPEAKER BUILDER 6/1992 [Dec 1992] (v.13#6) pg. 60
Added Info SPEAKER BUILDER 2/1995 [Mar 1995] (v.16#2) pg. 60

Formulas to calculate Q values when designing loudspeakers.
SPEAKER BUILDER 3/1992 [May 1992] (v.13#3) pg. 64

Calculations involving SPL dB. (1) Graphic conversion between SPL (dB) and reference efficiency (%). (2) The formula [SPL = 112 + 10log(eta)] used for converting eta nought to an SPL in dB. (3) Added information on calculating SPL dB from one side of a vibrating piston.
SPEAKER BUILDER 3/1992 [May 1992] (v.13#3) pg. 66, 85
Added Info SPEAKER BUILDER 4/1992 [Jul 1992] (v.13#4) pg. 72
Added Info SPEAKER BUILDER 1/1993 [Jan 1993] (v.14#1) pg. 68

Alignment jamming. A mathematical way to force low QTS drivers into other alignments thereby producing vented box designs with lower cut off frequencies. Includes a simple BASIC program for designing fourth-order jammed alignments.
SPEAKER BUILDER 4/1992 [Jul 1992] (v.13#4) pg. 14

The Danielle. A 75-liter tower speaker using an MTM (midrange-tweeter-midrange) D'Appolito array and a TA-305F close subwoofer with a series-resonant filter. Part 1. (1) Using computerized loudspeaker programs to design new systems. (2) Room geometry considerations in the design of speaker system.
SPEAKER BUILDER 4/1992 [Jul 1992] (v.13#4) pg. 22

Report on assembling the Aria 5 loudspeaker system kit (a Joe D'Appolito symmetrical 3/2 configuration) available from ORCA Design & Mfg. Corp. (Agoura, CA).
SPEAKER BUILDER 4/1992 [Jul 1992] (v.13#4) pg. 40
Added Info SPEAKER BUILDER 4/1992 [Jul 1992] (v.13#4) pg. 68
Added Info SPEAKER BUILDER 5/1992 [Sep 1992] (v.13#5) pg. 50, 51
Added Info SPEAKER BUILDER 6/1992 [Dec 1992] (v.13#6) pg. 56
Correction SPEAKER BUILDER 1/1993 [Jan 1993] (v.14#1) pg. 62
Added Info SPEAKER BUILDER 1/1993 [Jan 1993] (v.14#1) pg. 62
Added Info SPEAKER BUILDER 7/1999 [Nov 1999] (v.20#7) pg. 45

Information on the performance of Isobarik speakers in closed boxes.
SPEAKER BUILDER 4/1992 [Jul 1992] (v.13#4) pg. 70

Non-optimum vented-box spreadsheet documentation. Definitions of the components and parameters for a Quattro or Lotus spreadsheet program that can easily calculate and plot vented-box responses based on enclosure volume.
SPEAKER BUILDER 5/1992 [Sep 1992] (v.13#5) pg. 16

The Danielle. Part 2. Construction and listener criticism.
SPEAKER BUILDER 5/1992 [Sep 1992] (v.13#5) pg. 34

Quasi-monotonic vented alignments. Overcoming the ripple effects of using a woofer in a vented enclosure that is too small.
SPEAKER BUILDER 1/1993 [Jan 1993] (v.14#1) pg. 24

Stalking f3. Calculating the correct parameters for vented boxes. Includes a review of the equations that go into linear Thiele/Small calculations.
SPEAKER BUILDER 2/1993 [Mar 1993] (v.14#2) pg. 24
Added Info SPEAKER BUILDER 4/1994 [May 1994] (v.15#4) pg. 53
Added Info SPEAKER BUILDER 6/1994 [Aug 1994] (v.15#6) pg. 54

Report on the Black Dahlia Mk II loudspeaker kit from A&S Speakers (San Francisco CA).
SPEAKER BUILDER 2/1993 [Mar 1993] (v.14#2) pg. 58
Added Info SPEAKER BUILDER 4/1993 [Jul 1993] (v.14#4) pg. 78

The CCPS (compact coincidental point source speaker) is based on the use of coaxial drivers (combining a midwoofer and tweeter on a single chassis).
SPEAKER BUILDER 4/1993 [Jul 1993] (v.14#4) pg. 30

Two ways to realize a dream. A description of the research and steps taken by a rank amateur in designing and building a floor-standing speaker system incorporating Scan-Speak woofer and tweeter, two-way fourth-order HF and second-order LF crossover, and ported enclosure.
SPEAKER BUILDER 5/1993 [Oct 1993] (v.14#5) pg. 10
Added Info SPEAKER BUILDER 5/1995 [Jul 1995] (v.16#5) pg. 65

Orbiting satellites. Triangular-shaped enclosure (12"x12"x5" wide) mounts at the junction of wall and ceiling. Cabinet features two 4.5" woofers, one tweeter, and a crossover.
SPEAKER BUILDER 6/1993 [Dec 1993] (v.14#6) pg. 26
Added Info SPEAKER BUILDER 7/1994 [Oct 1994] (v.15#7) pg. 56

The Simplex speaker. Inexpensive components in an ordinary enclosure. A vented, two-way speaker fed by a biwired passive first-order Butterworth crossover. The woofer is zobeled. Est. cost: $200.
SPEAKER BUILDER 6/1993 [Dec 1993] (v.14#6) pg. 32
Correction SPEAKER BUILDER 2/1994 [Mar 1994] (v.15#2) pg. 62

A compact bass guitar speaker uses only a 1.6 cu.ft. fourth-order (ported) box, yet is able to reproduce the full range of a five string bass without electronic equalization. Est. cost: $225.
SPEAKER BUILDER 2/1994 [Mar 1994] (v.15#2) pg. 10

Dynapleat. Converting loudspeaker enclosures into rear-channel speakers by installing full-range flat-panel speakers featuring "Dynapleat" construction.
SPEAKER BUILDER 2/1994 [Mar 1994] (v.15#2) pg. 20

Danielle II. A two-box enclosure consisting of an MTM (midrange-tweeter-midrange) dipole unit (5"x15"x11") mounted on top of a larger woofer box (13"x25"x13"). This larger version version of the Danielle speaker system (described in issues 4/92 and 5/92) is relatively insensitive to room boundaries and works with low-power tube amplifiers.
SPEAKER BUILDER 2/1994 [Mar 1994] (v.15#2) pg. 24
Added Info SPEAKER BUILDER 4/1994 [May 1994] (v.15#4) pg. 52
Added Info SPEAKER BUILDER 6/1994 [Aug 1994] (v.15#6) pg. 54

A revised two-way minimonitor. A new version of the Delac S10 minimonitor designed for small listening rooms (featured in 3/91 issue, page 32).
SPEAKER BUILDER 3/1994 [Apr 1994] (v.15#3) pg. 36
Added Info SPEAKER BUILDER 1/1997 [Feb 1997] (v.18#1) pg. 49

The SYSTEM III Loudspeaker. Combines a low-frequency enclosure with lo-mid, mid, and high-frequency drivers as open-backed types. Active crossover divides at 300 Hz. An innovative project for the speaker builder.
SPEAKER BUILDER 5/1994 [Jul 1994] (v.15#5) pg. 8
Correction SPEAKER BUILDER 8/1994 [Dec 1994] (v.15#8) pg. 61

Tips on salvaging a pair of Altec Lansing "Avalon" speakers (circa 1960).
SPEAKER BUILDER 5/1994 [Jul 1994] (v.15#5) pg. 63

Loudspeakers. A short history. Part 1.
SPEAKER BUILDER 6/1994 [Aug 1994] (v.15#6) pg. 18

Silk purses. A two-way salvage design. Description of a speaker construction project that involves minimal expenditure of time or money and utilizes salvaged and closed-out components.
SPEAKER BUILDER 7/1994 [Oct 1994] (v.15#7) pg. 24

Loudspeakers. A short history. Part 2.
SPEAKER BUILDER 7/1994 [Oct 1994] (v.15#7) pg. 30

Loudspeakers 101. Understanding the Thiele/Small parameters. Part 1. Resonant frequency and the "equivalent volume of compliance".
SPEAKER BUILDER 7/1994 [Oct 1994] (v.15#7) pg. 70

Resurrecting a pair of Acoustic Research 2ax loudspeakers.
SPEAKER BUILDER 8/1994 [Dec 1994] (v.15#8) pg. 20
Added Info SPEAKER BUILDER 2/1995 [Mar 1995] (v.16#2) pg. 61, 63
Added Info SPEAKER BUILDER 4/1995 [Jun 1995] (v.16#4) pg. 54

Loudspeakers 101. Understanding the Thiele/Small parameters. Part 2. The Q parameters.
SPEAKER BUILDER 8/1994 [Dec 1994] (v.15#8) pg. 70

Loudspeakers 101. Understanding the Thiele/Small parameters. Part 3. Efficiency, sensitivity, and power handling.
SPEAKER BUILDER 1/1995 [Jan 1995] (v.16#1) pg. 70

Meaning of second- and fourth-order speakers is explained.
SPEAKER BUILDER 2/1995 [Mar 1995] (v.16#2) pg. 66
Added Info SPEAKER BUILDER 3/1995 [Apr 1995] (v.16#3) pg. 54

Loudspeakers 101. Understanding the Thiele/Small parameters. Part 4. Drivers and systems.
SPEAKER BUILDER 2/1995 [Mar 1995] (v.16#2) pg. 70

Satellites for a new system. Designing and constructing small satellite speakers for a Dolby Pro Logic video setup (consisting of a center channel with four satellites and two subwoofers).
SPEAKER BUILDER 3/1995 [Apr 1995] (v.16#3) pg. 8

Box models: Benson versus Small. A comparison of computer modeling results based on the theories of R.H. Small and J.E. Benson.
SPEAKER BUILDER 3/1995 [Apr 1995] (v.16#3) pg. 14
Correction SPEAKER BUILDER 4/1995 [Jun 1995] (v.16#4) pg. 54

The Simpline sidewinder woofer. Build a 10"x10"x24" tall enclosure and passive line-level crossover for an 8" Radio Shack woofer.
SPEAKER BUILDER 4/1995 [Jun 1995] (v.16#4) pg. 8

A flexible four-way system. Build a vented speaker that provides wide bandwidth, high efficiency, modest-sized enclosure (18"x24"x36" tall), and high power-handling capacity.
SPEAKER BUILDER 4/1995 [Jun 1995] (v.16#4) pg. 14

Squatline. A particleboard enclosure is equipped with a Dayton 8" treated paper woofer, a Peerless 1" dome tweeter and two passive crossovers (a second-order line-level [Q=0.5] and an optional third-order highly damped overlapped line-level [Q=0.353]).
SPEAKER BUILDER 3/1996 [May 1996] (v.17#3) pg. 16

Tubular speakers. Tube speaker is easy to construct from 4" plastic pipe, easy to locate, and will get the job done.
SPEAKER BUILDER 4/1996 [Jul 1996] (v.17#4) pg. 34
Added Info SPEAKER BUILDER 6/1996 [Oct 1996] (v.17#6) pg. 62

The convertible monitor. Featuring full extension from a video standpoint, this five speaker system can operate as both a bass-reflex and as acoustic suspension. A detailed discussion of start-to-finish construction from a novice, including speaker selection, enclosure construction, and crossover.
SPEAKER BUILDER 5/1996 [Aug 1996] (v.17#5) pg. 28

A modest-cost three-way speaker system. Noteworthy for its low cost, simplicity and sound quality. Part 1. Enclosure design.
SPEAKER BUILDER 6/1996 [Oct 1996] (v.17#6) pg. 10

A modest-cost three-way speaker system. Part 2. Construction.
SPEAKER BUILDER 7/1996 [Nov 1996] (v.17#7) pg. 20

Speaker placement. Description of the Accuton Reference System One line array of speakers that includes 3 tweeters, 4 midranges and 6 woofers stacked from floor to ceiling in a three-way configuration (MTM array).
SPEAKER BUILDER 7/1996 [Nov 1996] (v.17#7) pg. 46

A musician's speaker. How to build a woofer/midrange/tweeter design that is well suited for the beginner (since port tuning and variation considerations are kept to a minimum).
SPEAKER BUILDER 8/1996 [Dec 1996] (v.17#8) pg. 10
Correction SPEAKER BUILDER 2/1997 [Mar 1997] (v.18#2) pg. 47

A modest-cost three-way speaker system. Part 3. Testing, listening results, and followup work.
SPEAKER BUILDER 8/1996 [Dec 1996] (v.17#8) pg. 34
Correction SPEAKER BUILDER 1/1997 [Feb 1997] (v.18#1) pg. 43
Added Info SPEAKER BUILDER 3/1999 [May 1999] (v.20#3) pg. 55
Added Info SPEAKER BUILDER 3/2000 [May 2000] (v.21#3) pg. 47

Active equalization of loudspeakers. A technique to achieve good bass from a small or moderate-size enclosure.
SPEAKER BUILDER 2/1997 [Mar 1997] (v.18#2) pg. 8

Simple corner-mounted loudspeaker for use with your television Dolby surround sound receiver.
SPEAKER BUILDER 2/1997 [Mar 1997] (v.18#2) pg. 14

Side saddle. A new two-way design that places the tweeter and woofer side-by-side.
SPEAKER BUILDER 3/1997 [May 1997] (v.18#3) pg. 10

A shielded trio. Constructing speakers (left, right and center) for a home theater and computer-based music system. Includes information on deriving a center signal from a stereo source and magnetically shielding the speakers from video interference.
SPEAKER BUILDER 3/1997 [May 1997] (v.18#3) pg. 22

A speaker builder's travel guide. Rules and suggestions for the audiophile who decides to construct a loudspeaker. Examines such topics as size, cost, placement, drivers, bass tuning, crossovers, construction details, etc.
SPEAKER BUILDER 4/1997 [Jun 1997] (v.18#4) pg. 18

Isobarik tower. A three-way tower speaker system that incorporates an open-back mid-range with a constant-pressure (Isobarik) woofer section. The crossovers are second-order with corners at 350Hz and 2.8kHz. Est. cost: $1000 per pair.
SPEAKER BUILDER 5/1997 [Aug 1997] (v.18#5) pg. 10
Correction SPEAKER BUILDER 7/1997 [Nov 1997] (v.18#7) pg. 52
Added Info SPEAKER BUILDER 2/1998 [Apr 1998] (v.19#2) pg. 14 (Improved design)
Added Info SPEAKER BUILDER 3/1998 [May 1998] (v.19#3) pg. 55

From caterpillar to butterfly. Upgrading a vintage Constructors Series KEF CS5 loudspeaker system (circa 1982) by equipping it with a new crossover and enclosure.
SPEAKER BUILDER 6/1997 [Sep 1997] (v.18#6) pg. 20

Rebuilding the Acoustic Research AR-3a loudspeaker (circa 1959). A complete dissection and reconstruction from the inside out. Part 1.
SPEAKER BUILDER 6/1997 [Sep 1997] (v.18#6) pg. 30

Loudspeakers 101. A primer on the effects of damping factors on system performance.
SPEAKER BUILDER 6/1997 [Sep 1997] (v.18#6) pg. 52
Added Info SPEAKER BUILDER 3/1999 [May 1999] (v.20#3) pg. 50

Low-budget 2-way with top-mounted tweeter (tweeter in a separate small chamber on top of the woofer box) and a vented-enclosure for the woofer. Est. cost: $100.
SPEAKER BUILDER 7/1997 [Nov 1997] (v.18#7) pg. 8
Added Info SPEAKER BUILDER 4/1998 [Jul 1998] (v.19#4) pg. 53
Added Info SPEAKER BUILDER 6/1998 [Oct 1998] (v.19#6) pg. 59

Rebuilding the Acoustic Research AR-3a loudspeaker (circa 1959). Part 2.
SPEAKER BUILDER 7/1997 [Nov 1997] (v.18#7) pg. 18
Added Info SPEAKER BUILDER 2/1998 [Apr 1998] (v.19#2) pg. 54
Added Info SPEAKER BUILDER 5/1998 [Aug 1998] (v.19#5) pg. 61

Rebuilding the Acoustic Research AR-3a loudspeaker (circa 1959). Part 3.
SPEAKER BUILDER 8/1997 [Dec 1997] (v.18#8) pg. 34
Added Info SPEAKER BUILDER 2/1998 [Apr 1998] (v.19#2) pg. 62

Rebuilding the Acoustic Research AR-3a loudspeaker (circa 1959). Part 4.
SPEAKER BUILDER 1/1998 [Jan 1998] (v.19#1) pg. 24

Review and test of the Dual 5" Vifa Kit includes construction tips.
SPEAKER BUILDER 1/1998 [Jan 1998] (v.19#1) pg. 38
Added Info SPEAKER BUILDER 5/1998 [Aug 1998] (v.19#5) pg. 58

Rebuilding the Acoustic Research AR-3a loudspeaker (circa 1959). Part 5.
SPEAKER BUILDER 2/1998 [Apr 1998] (v.19#2) pg. 36
Added Info SPEAKER BUILDER 4/1998 [Jul 1998] (v.19#4) pg. 50

Pyramid shaped enclosure incorporates a tweeter, mid/woofer, and woofer linked via a three-way crossover. The pyramid design helps minimize diffraction effects and improves sound dispersion. Est. cost: $200 plus plywood and grille.
SPEAKER BUILDER 3/1998 [May 1998] (v.19#3) pg. 8

Rebuilding the Acoustic Research AR-3a loudspeaker (circa 1959). Part 6.
SPEAKER BUILDER 3/1998 [May 1998] (v.19#3) pg. 32
Added Info SPEAKER BUILDER 4/1999 [Jul 1999] (v.20#4) pg. 42 (Listening test and lab examination)
Added Info SPEAKER BUILDER 6/1999 [Sep 1999] (v.20#6) pg. 60
Added Info SPEAKER BUILDER 1/2000 [Feb 2000] (v.21#1) pg. 44

The Audax A652 loudspeaker kit. Assembly tips and test results.
SPEAKER BUILDER 4/1998 [Jul 1998] (v.19#4) pg. 38
Added Info SPEAKER BUILDER 8/1998 [Jan 1999] (v.19#8) pg. 61

Seismic stack system. Building and driving home-theater speakers which utilize active crossover topology.
SPEAKER BUILDER 5/1998 [Aug 1998] (v.19#5) pg. 18

Audio video revisited. Constructing a tweeter/woofer loudspeaker combination using shielded drivers for use with a hi-fi VCR.
SPEAKER BUILDER 6/1998 [Oct 1998] (v.19#6) pg. 12

The Force. A line-source speaker project. Planning for a 4-way, powered system with servo-controlled subwoofer. Part 1. Design philosophy, drivers, and filter design.
SPEAKER BUILDER 7/1998 [Nov 1998] (v.19#7) pg. 8

The Force. Part 2. Enclosure, schematics, power supplies, construction, tuning, etc.
SPEAKER BUILDER 8/1998 [Jan 1999] (v.19#8) pg. 32

Aperiodic deuce. Tower design speaker combines the midranges and tweeter of a D'Appolito arrangement with open-back, accoustically loaded tunnels and a small woofer (to reduce room resonance). Overall dimensions: 7"x11"x39" tall.
SPEAKER BUILDER 1/1999 [Feb 1999] (v.20#1) pg. 8

PSpice probes a loudspeaker's evolution. A guide to using the PSpice PC-based computer program to build (simulate) and analyze complex loudspeaker designs. How to model both temperature- and frequency-dependent components using PSpice.
SPEAKER BUILDER 1/1999 [Feb 1999] (v.20#1) pg. 26

SEAS Odin speaker kit from Madisound Speaker Components. An in-depth review and assembly tips.
SPEAKER BUILDER 2/1999 [Apr 1999] (v.20#2) pg. 44

Swans M1 speaker kit from Acoustic Technology International. An in-depth review and some assembly tips.
SPEAKER BUILDER 3/1999 [May 1999] (v.20#3) pg. 36

Nardeux N-300 surround sound speakers feature a three-way crossover network and cabinetry designed by Joe D'Appolito. FOCAL drivers consist of a 15VX woofer, 7K2 midrange, and a TC120tdx II tweeter.
SPEAKER BUILDER 3/1999 [May 1999] (v.20#3) pg. 58
Added Info SPEAKER BUILDER 8/1999 [Dec 1999] (v.20#8) pg. 61 (Add a center speaker)

Maverick 2. Tower style speaker features a very small footprint and an open bottom with an isobaric woofer design. Overall dimensions: 11"x13"x44" tall.
SPEAKER BUILDER 4/1999 [Jul 1999] (v.20#4) pg. 10

Improved mini-monitor. Upgrading the small B&W DM302 loudspeaker by replacing the enclosure shell, damping material, and some electronic components.
SPEAKER BUILDER 4/1999 [Jul 1999] (v.20#4) pg. 36

Small sealed box. A simple woofer/tweeter combo produces good results as a satellite system.
SPEAKER BUILDER 5/1999 [Aug 1999] (v.20#5) pg. 20

A compact 2-way speaker design features Vifa drivers in a stepped-baffle arrangement.
SPEAKER BUILDER 6/1999 [Sep 1999] (v.20#6) pg. 8

Simple, high-quality two-way design utilizes Scan-Speak drivers and a LEAP crossover. Each enclosure (9"x12"x17" tall) is supported on a 6" diameter steel pipe stand.
SPEAKER BUILDER 6/1999 [Sep 1999] (v.20#6) pg. 30

Navigating speaker design. A three-part series explores speaker-system design and construction. Part 1. Fundamental precepts that we often tend to overlook.
SPEAKER BUILDER 6/1999 [Sep 1999] (v.20#6) pg. 38

Reviving an old Criterion. Upgrading a pair of Lafayette Criterion 50A two-way speakers.
SPEAKER BUILDER 6/1999 [Sep 1999] (v.20#6) pg. 42

Rhythm Revelator speaker kit from North Creek Music Systems. A review and assembly tips.
SPEAKER BUILDER 6/1999 [Sep 1999] (v.20#6) pg. 52

Navigating speaker design. Part 2. How to understand and decode the driver parameter specifications provided by manufacturers.
SPEAKER BUILDER 7/1999 [Nov 1999] (v.20#7) pg. 34
Added Info SPEAKER BUILDER 2/2000 [Apr 2000] (v.21#2) pg. 45
Added Info SPEAKER BUILDER 7/2000 [Nov 2000] (v.21#7) pg. 42
Added Info AUDIOXPRESS Feb 2001 (v.32#2) pg. 79

How to break-in a new loudspeaker.
SPEAKER BUILDER 7/1999 [Nov 1999] (v.20#7) pg. 43

Theory and advice on the proper sizing of loudspeaker vents.
SPEAKER BUILDER 7/1999 [Nov 1999] (v.20#7) pg. 44

Navigating speaker design. Part 3. How effectively loudspeakers convert energy into music.
SPEAKER BUILDER 8/1999 [Dec 1999] (v.20#8) pg. 32
Added Info SPEAKER BUILDER 2/2000 [Apr 2000] (v.21#2) pg. 46
Added Info SPEAKER BUILDER 3/2000 [May 2000] (v.21#3) pg. 44
Added Info SPEAKER BUILDER 6/2000 [Sep 2000] (v.21#6) pg. 47

The Menehune MX-1. A compact satellite/subwoofer system. Maximize sound output and quality from relatively small enclosures. Part 1.
SPEAKER BUILDER 1/2000 [Feb 2000] (v.21#1) pg. 10

Finding relative acoustic offsets empirically. Using just the relative offsets and the right software, you can easily determine the acoustic centers of drivers to help with your system design.
SPEAKER BUILDER 1/2000 [Feb 2000] (v.21#1) pg. 36

Danish delight. A 3-way floor-standing enclosure with very high-quality drivers. The unusual cabinet shape (like a upside-down key hole) is designed to aid sonic performance. Part 1. Enclosure and crossover.
SPEAKER BUILDER 2/2000 [Apr 2000] (v.21#2) pg. 8

The Menehune MX-1. A compact satellite/subwoofer system. Part 2.
SPEAKER BUILDER 2/2000 [Apr 2000] (v.21#2) pg. 30

Danish delight. Part 2. Final assembly.
SPEAKER BUILDER 3/2000 [May 2000] (v.21#3) pg. 22

The Menehune MX-1. A compact satellite/subwoofer system. Part 3. Box the driver and construct the crossover.
SPEAKER BUILDER 3/2000 [May 2000] (v.21#3) pg. 32

Bella Voce. Two experts in the areas of speaker building design, measurement and construction team up to produce a top-quality unit. Part 1.
SPEAKER BUILDER 4/2000 [Jun 2000] (v.21#4) pg. 8
Added Info SPEAKER BUILDER 6/2000 [Sep 2000] (v.21#6) pg. 48
Added Info AUDIOXPRESS Aug 2001 (v.32#8) pg. 80

Misconceptions clarified about what is "damping" and what is being "damped" in a loudspeaker system.
SPEAKER BUILDER 4/2000 [Jun 2000] (v.21#4) pg. 44
Correction SPEAKER BUILDER 5/2000 [Aug 2000] (v.21#5) pg. 48

The good old boys' apprentice. This two-way design, which features a 7" Focal midbass and 1" Vifa tweeter, is a good starter project with a simple crossover for aspiring speaker builders. Part 1. Design of the mid-tweeter-mid (MTM) cabinet that sits on top of a closed-box subwoofer, and construction of the sub.
SPEAKER BUILDER 5/2000 [Aug 2000] (v.21#5) pg. 8

Bella Voce. Part 2.
SPEAKER BUILDER 5/2000 [Aug 2000] (v.21#5) pg. 30

The Sirens. Speaker project includes the design and construction of a unit featuring Vifa drivers and its positioning in the listening room. Room treatment includes construction of sound absorbers to reduce ceiling and wall reflections.
SPEAKER BUILDER 6/2000 [Sep 2000] (v.21#6) pg. 18

The good old boys' apprentice. Part 2. Matching the box and the NHT 1259 subwoofer driver, integrating the sub with the room, and various crossovers to integrate the sub with the MTM.
SPEAKER BUILDER 6/2000 [Sep 2000] (v.21#6) pg. 24

Review of the Borealis loudspeaker kit from North Creek Music Systems. Part 1. Instructions for making an enclosure from MDF and Baltic birch.
SPEAKER BUILDER 6/2000 [Sep 2000] (v.21#6) pg. 36

Building the 4-T-4 center-channel speaker from inexpensive components.
SPEAKER BUILDER 7/2000 [Nov 2000] (v.21#7) pg. 8

Quick pink vented bass. A simple speaker project which uses an 8" woofer from a car-audio system.
SPEAKER BUILDER 7/2000 [Nov 2000] (v.21#7) pg. 26

Upgrading the Minimus-7 connectors. Two modifications to a popular Radio Shack speaker for better connections and better sound.
SPEAKER BUILDER 7/2000 [Nov 2000] (v.21#7) pg. 28

Review of the Borealis loudspeaker kit from North Creek Music Systems. Part 2. Testing the speaker.
SPEAKER BUILDER 7/2000 [Nov 2000] (v.21#7) pg. 32

A small-monitor odyssey. Construction of a two-way shelf speaker reveals the obstacles you need to overcome in building a good-sounding small speaker.
SPEAKER BUILDER 8/2000 [Dec 2000] (v.21#8) pg. 8

An explanation of the mathematics of "Q factors" in a loudspeaker.
SPEAKER BUILDER 8/2000 [Dec 2000] (v.21#8) pg. 50

Contemporary styled hexagonal speaker enclosures are made from walnut plywood and holly wood. Overall dimensions: 31"tall 12" diameter.
WOOD MAGAZINE #2 Nov-Dec 1984 (v.1#2) pg. 69

Stereo cabinet and matching speaker enclosures. Contemporary style features an inner box of oak laminate surrounded by an outer frame of walnut laminate. The speaker enclosures are separate from the cabinet. Est. cost: $400 including speaker components.
WOODWORKER'S JOURNAL Jan-Feb 1988 (v.12#1) pg. 42

Early American speaker cabinet with louvered door front.
WORKBENCH Mar-Apr 1963 (v.19#2) pg. 34

How to select speakers to pipe hi-fi throughout the house and yard.
WORKBENCH Mar-Apr 1965 (v.21#2) pg. 36

How to make a set of speaker enclosures from general purpose pine stock. Speaker size is 30" high by 16" square, dimensioned for an 8" speaker.
WORKBENCH Jan-Feb 1973 (v.29#1) pg. 30

Build state-of-the-art compact speakers for half the price of equivalent store-bought models. Case measures 11"x16"x8" deep. Includes a separate woofer and tweeter.
WORKBENCH May-Jun 1990 (v.46#3) pg. 64
Correction WORKBENCH Jul-Aug 1990 (v.46#4) pg. 4
Added Info WORKBENCH Sep-Oct 1990 (v.46#5) pg. 4