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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
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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.


Circuit for a simple P.A. system amplifier which uses the LM380 audio power amplifier chip.
CQ. THE RADIO AMATEUR'S JOURNAL Sep 1979 (v.35#9) pg. 72

Portable 2-watt public address system.
ELECTRONICS ILLUSTRATED May 1963 (v.6#3) pg. 45

Photoelectric automatic volume limiter for public address loudspeakers to prevent overload.
ELECTRONICS ILLUSTRATED Jan 1964 (v.7#1) pg. 100

CB transceiver can do double duty as a public address system amplifier.
ELECTRONICS ILLUSTRATED Nov 1965 (v.8#6) pg. 95

Portable public address system also serves as a floor or table-top lectern.
ELECTRONICS ILLUSTRATED Sep 1968 (v.11#5) pg. 57

Audio system integration. A knowledge of impedance matching and an understanding of spec sheets will help you integrate a high-quality public address system.
ELECTRONICS NOW Aug 1996 (v.67#8) pg. 27

Public address loudspeaker principles and practice. How to select the proper reproducer to achieve the best sound coverage for public address use.
ELECTRONICS WORLD Jun 1966 (v.75#6) pg. 23

Simple technique using audio-generator, scope and a pair of speakers can be employed to properly phase the loudspeakers in a public address system.
ELECTRONICS WORLD Dec 1970 (v.84#6) pg. 31

Modify a CB set to use for paging.
ELEMENTARY ELECTRONICS Mar-Apr 1966 (v.2#1) pg. 18

Battery-powered public address system. Uses a solid-state 7-watt amplifier ($10), 6 D-cells, and an 8" or 12" speaker.
ELEMENTARY ELECTRONICS Nov-Dec 1969 (v.9#2) pg. 49

Portable public address system uses a 12-volt DC amplifier and speaker mounted on a wooden box housing four 6-volt lantern batteries wired in series. May still be used as an automobile-mounted PA system.
ELEMENTARY ELECTRONICS Mar-Apr 1974 (v.14#2) pg. 71

Fade-out circuit (fader) for use with a public address system.
HANDS-ON ELECTRONICS Aug 1987 (v.4#8) pg. 93

Circuit for a portable 8-watt public address system built into an attache case.
HANDS-ON ELECTRONICS Nov 1987 (v.4#11) pg. 94

Portable PA system built into a small speaker cabinet, is powered by two six-volt lantern batteries. Maximum output is slightly over 1-watt, enough for a group of 100 people to be addressed. Est. cost: $25.
MODERN ELECTRONICS [1] Mar 1978 (v.1#2) pg. 86

Build an adapter box to interface a sound motion picture projector (or a radio, stereo, phonograph, etc.) to a public address system. Est. cost: $20.
PHOTOMETHODS Jul 1985 (v.28#7) pg. 6

A 10-watt public address system amplifier.
POPULAR ELECTRONICS [1] Nov 1969 (v.31#5) pg. 55

PA sound systems. A beginner's guide to the ten most important technical aspects of PA system installation.
POPULAR ELECTRONICS [1] Oct 1972 (v.2#4) pg. 43

This alarm circuit feeds signal to a background-music PA system.
POPULAR ELECTRONICS [1] Dec 1974 (v.6#6) pg. 68

A primer on public-address systems. Understanding the differences between a home audio system and a PA system. How to set up a simple PA system.
POPULAR ELECTRONICS [2] Feb 1992 (v.9#2) pg. 55
Correction POPULAR ELECTRONICS [2] Jun 1992 (v.9#6) pg. 3

Auctioneers amplifier. A small PA system uses SIP (single inline pin) audio modules to amplify microphone input and drive two speakers.
POPULAR ELECTRONICS [2] Aug 1998 (v.15#8) pg. 28

Portable battery-powered amplifier for guitar, accordian, harmonica and public address systems.
POPULAR MECHANICS Jan 1963 (v.119#1) pg. 195

Audio volume limiter will prevent clipping and distortion in a paging or public address system caused by audio-level mismatching.
RADIO-ELECTRONICS Mar 1990 (v.61#3) pg. 39, 57

Portable public address system is built into a metal lunch box. Uses solid state amplifier and power supply kits. Useful for talking to large groups of people 20 to 30 feet away.
RADIO-TV EXPERIMENTER Aug-Sep 1968 (v.25#1) pg. 71

A corner mid-range horn enclosure for a PA system is built from particle board.
SPEAKER BUILDER 3/1980 [Sep 1980] (v.1#3) pg. 15
Added Info SPEAKER BUILDER 4/1981 [Nov 1981] (v.2#4) pg. 39, 41

Sanctuary sonics. Designing a sound system for a church auditorium before the building is built. Looks at speaker placement, crossover design, speaker box design, wiring, etc.
SPEAKER BUILDER 1/1994 [Jan 1994] (v.15#1) pg. 12
Added Info SPEAKER BUILDER 3/1994 [Apr 1994] (v.15#3) pg. 70

A public-area sound system. Dozens of inexpensive, identical, easily-built loudspeakers are used to cover a 50x90-ft. room with hard floors and walls. They are connected using inexpensive telephone wire and don't require electronic equalization.
SPEAKER BUILDER 3/1994 [Apr 1994] (v.15#3) pg. 12
Added Info SPEAKER BUILDER 5/1995 [Jul 1995] (v.16#5) pg. 64

Power amplifier outputs to each loudspeaker driver in a three-way PA system is explained.
SPEAKER BUILDER 6/1994 [Aug 1994] (v.15#6) pg. 57
Added Info SPEAKER BUILDER 8/1994 [Dec 1994] (v.15#8) pg. 61, 62

Compact two-way PA system. Small and lightweight amplifier system for use by a traveling band is designed for small to medium-sized clubs (up to 300 seats) or small outdoor venues. Part 1.
SPEAKER BUILDER 2/1995 [Mar 1995] (v.16#2) pg. 14

Compact two-way PA system. Part 2.
SPEAKER BUILDER 3/1995 [Apr 1995] (v.16#3) pg. 28