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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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LOUDSPEAKER ENCLOSURE x ENCLOSURE (LOUDSPEAKER) xx LOUDSPEAKER Reduce speaker distortion by tuning a pipe. Tuning a bass-reflex speaker enclosure to reduce low frequency distortion. Looks at enclosure volume, construction, etc. Compact tower. Two tower enclosures (15"x16"x34" tall) built from one 4x8-ft. sheet of particle board and covered entirely with grille cloth. Est. cost: $90 each (depending on drivers). Design and build a high efficiency ceiling-height speaker system (enclosure) using the Altec 604-8G high efficiency coaxial driver. Tip on using latex concrete patch mixes to deaden unwanted vibrations in turntables and loudspeaker systems. Box stuffing. The function of stuffing in your speaker cabinet depends on application and box design. Stuffing materials and procedures for various enclosures. Enclosure volume. A look at the mathematics and important design factors in determining enclosure volume. How good is your port? An extensive look at the problem of port nonlinearity will help designers determine correct port size for a ported enclosure. Building the Audax/D'Appolito home theater system. Building enclosures for a six-speaker project. Panel damping studies: Reducing loudspeaker enclosure vibrations. Results of an extensive study on building and damping an enclosure to minimize vibrations. A flared port study. Results of testing to determine if flared or straight loudspeaker ports are better. Diffraction insights. Understanding sound wave behavior, particularly loudspeaker-cabinet diffraction, will help in building better loudspeakers. It's not just a speaker, it's furniture. Details of the process to ensure your enclosures are pleasing to look at. An against the wall speaker. Pursuing the design of a thin transmission line and bass speaker with an enclosure depth of 4" or less. Using CAD software (computer-aided design) to prepare full-size patterns for speaker enclosures, electronic chassis and printed circuit boards. Acoustic diffraction. A study of speakers examines cabinet edge diffraction and what you can do to reduce it. Design the best bass box. Optimizing frequency response in the bass range when sizing an enclosure. Bass in small places. Exploring the relationship between room size and frequency performance. How to support low frequencies in small enclosures. An affordable full-range speaker project. Build an un-complicated enclosure to use full-range drivers. Workshop tricks for saving money. Ideas for building cabinets for electronic projects, customizing a dial plate, and using a tin can as a small speaker enclosure. Towers of power. Build your own double-chamber reflex design loudspeaker enclosure (10"x12"x40" tall) fitted with an 8" woofer and 1" tweeter. Computer-aided design of loudspeaker enclosures. How to let your computer predict an enclosure's performance. Part 1. Computer-aided design of loudspeaker enclosures. How to let your computer predict an enclosure's performance. Part 2. Crossover and construction details for the Phase Concept Ltd. PCL-101A loudspeaker enclosure. Double-chamber speaker enclosure. Revival of an experimental enclosure for getting usable 35Hz bass from an 8" or 10" driver. Tips on assembling the SEAS 60-3-K speaker kit and 603CK cabinet kit. Tip on using PVC pipe in place of cardboard tubing for making ports in reflex-type enclosures. Simple technique for measuring the resonant frequency of a ported enclosure. Phase Concept Model VII speaker enclosures (26"x16"x50" tall) are built from particle board and equipped with 7 drivers. A diffuser port for small boxes. A 7"x5"x10" tall reflex speaker enclosure features a duct which exits from the bottom of the case. Closed vs. vented box efficiency. Enclosure building tips. (1) Carpet as cabinet treatment. (2) Hex-head screws. (3) End-grain filler. (4) Sources for electronic components. Tips on selecting, cutting, and gluing particle board when building loudspeaker enclosures. Build a dual 8" symmetrical air friction enclosure. Overall dimensions: 16"x14"x43" tall. A beginner builds his first speaker enclosure. Tips on testing the drivers and calculating the correct dimensions for an enclosure matched to that speaker. Converting an old wine barrel into a loudspeaker enclosure. Tip on mounting drivers in the wall and using an adjacent garage as an infinite baffle "enclosure". Using mirrors on large speaker cabinets will help to blend them into a room's decor. Speaker building tips. (1) Rubber grommets aid mounting driver. (2) Crossover mounting. (3) Rug padding as damping material. (4) Temporary holding and clamping jig for assembling case. Using cork veneer wallpaper to cover loudspeaker enclosures. How to apply the cork and enhance the grain by using stains and urethane. The Dynaudio. An inexpensive two-way with great sound. Two matching enclosures (11"x14"x32" tall) are cut from one 4x8-ft. sheet of particle board. Equipped with Dynaco 21W54 and D-28 drivers. Est. cost: $360. Tunable vent for Thiele-Small vented box designs which you can easily remove and tune from outside the sealed enclosure. Bass reflex (vented type) loudspeaker enclosure with a separate enclosure for the midrange and treble drivers. Uses a square vent. Built from high density particle board. Overall dimensions: 16"x13"x41" tall. Crossover network circuit included. Tips on increasing apparent speaker box size (up to 40%) by adding stuffing to the enclosure. Brute force bass P.A. enclosure. Bass enclosure for a 15" Altec driver to be driven by a 300W/channel amplifier. Features extra-thick wood and additional bracing. Building an enclosure for a Timbrel loudspeaker, a small closed-box unit (10"x8"x17" tall). Est. cost for speaker kit and enclosure materials: $150 per pair. A Thiele-Small aligned satellite/woofer system (enclosure). Tenth row, center. The Jordan System 5 loudspeaker system which utilizes two small, hexagonal vertical arrays of four 50mm modules each and two seperate bass-reflex enclosures. Details for constructing the enclosures included. Trade-offs in closed box alignment. Applying the Thiele-Small parameters to home projects. Tips on constructing a spherical (egg-shaped) loudspeaker enclosure from plywood or particle board. Technique for routing unusual speaker openings for a driver using a paper template that has been properly sized. Improving the imaging and clarity of speakers by decreasing diffraction effects. Some tips on applying sound-attenuation material to the baffle surface. Polydax perfection. An enclosure in the shape of an irregular hexagon incorporates a pair of 8" Polydax drivers and four 50mm Jordan speakers. Build a pair of 36" tall, 3-cubic-ft. cabinets which will take up only 1-sq.-ft. of floor space each. They are equipped with two 8" woofers and a cone tweeter. Speaker cabinet is make from Sonotube, a heavy-duty cardboard tube that is usually used for concrete forms. Tip on using suspended-ceiling panels to line speaker enclosures. Tip on using ringed paneling nails and construction adhesive when building enclosures. A small double-chamber reflex enclosure. Overall dimensions: 12"x8"x27" tall. A low-resonance loudspeaker. A new technology for construction of loudspeaker enclosures and crossovers that eliminates or greatly reduces resonance problems. Modified Daline loudspeaker enclosure use an "acoustic blanket" to solve diffraction problems. Designed for "near-field" listening, where the speakers are very close to the listener. Overall dimensions: 12"x6"x35" tall. Column speakers serve as rear channels. Tips on constructing these 13"x11"x36" tall enclosures which feature a removable top (lid) and leveling feet. Tip on using black satin Varathane paint for cabinet baffles and backs. Building pentagonal cross-section enclosures. The unbox enclosure. Technique for building an egg-shaped (ellipse-shaped) enclosure from layers of wood. Results of tests to better understand the various acoustic damping materials commonly used by speaker builders. Tip on damping enclosures with lead sheathing. Tip on making midrange sub-enclosures from heavy cardboard tubing. Decorative folding screen conceals a loudspeaker cabinet incorporating a ribbon tweeter and four cone drivers. Overall dimensions of the enclosure: 5"x16"x63" tall. Comments on determining the optimum enclosure volume for any given driver. Tip on using RTV-type silicone to seal enclosures. Tip on assembling enclosures built from particle board. Model-One speaker. Small speaker cabinets (9"x10"x15" tall) built from birch plywood. This closed-box design includes a 1" dome tweeter and a 7" woofer. Est. cost: $150 per pair. Grille-less grille. Use rubber or foam spline cord to secure grille cloth to the front of a speaker. This technique eliminates the need for frames, foam grilles, etc. A sixth order vented woofer system features simplified enclosure construction. Experiments with tapered pipe enclosures. The Demonstrator, a vented, compound speaker system. The enclosure is built from a 6-ft piece of particle board shelving (12" wide). Includes schematic for a crossover network. Source of suitable grille fabric and tips on attaching the fabric to a frame. How to use non-optimum vented boxes. Tuning bass reflex speaker systems. How to design, build and tune a port (vent) for a bass reflex speaker system. Tips on making right-angle loudspeaker vents from PVC pipe which occupy less space yet have a larger diameter. Lower response and equalization. A discussion of frequency response, power response, and electronic equalization as they relate to box size. Vintage designs. The Electro-Voice Patrician enclosure. Loudspeaker cabinets. Covers such topics as resonance, damping, materials, etc. Vintage designs. The Electro-Voice Aristocrat enclosure. Tip on using drywall cinder panel (Dur-A-Rock, Wonder Board) to line enclosures. Enclosure shapes and volumes. How to select the best shape for a specific set of circumstances. Vintage designs. Sand-filled corner panel enclosure (circa 1957). Tip on using thicker stair tread particle board to build speaker enclosures. Woofer misconceptions. What makes a given woofer a good candidate for a particular box design. Correcting general misconceptions about closed-box loudspeakers. The QB3 (quasi third-order alignment) vented box is best. A look at the various vented-box alignments. Man overboard. Construction details for a truncated, convergent pentagonal box/tower speaker enclosure. Includes a BASIC computer program to help calculate the dimensions and cutting angles for making the pieces of the enclosure. A ceramic speaker enclosure. Closed-box speaker enclosure is made from a ceramic flue tile. Tip on getting perfectly-sized holes for PVC or ABS pipe that is being used as a vent in a particle board loudspeaker enclosure. Reduce standing waves by installing half-cylinder shaped reflectors inside the loudspeaker enclosure. Tip on building an enclosure for several drivers where the front baffle is curved (arc shaped) so that each driver is the same distance from the listener. Vintage designs. Jensen bass Ultraflex-15 enclosure (circa 1956). Dynaudio drivers and sheetrock. A high power system. Laminated panels assembled from water-resistant sheetrock (green board) and 1/4" plywood are used to construct speaker enclosures. Includes speaker placement plan for a 5000-cu.-ft. listening room. Picket loudspeaker. A small, air-tight enclosure is built from scrap wood. A hollow cardboard tube serves as a pedestal stand to raise the speaker to ear level and adds volume to the cabinet. Vintage designs. Jensen Imperial Reproducer loudspeaker enclosure (circa 1956). Vintage designs. Klipsch Rebel corner enclosure (circa 1953). Tip on finishing speaker enclosures with Contact paper protected with clear spray acrylic. Vintage designs. Cabinet dimensions for University Loudspeakers Inc. "Classic". Formulas for closed-box calculations of (1) peak displacement volume and (2) free-air reference efficiency. Dimensions and layout for a "Baby Swan", a smaller version of the Swan IV. Incorporates two Focal 5N412 DBL drivers, Dynaudio D28, and Treble Coupler. Overall dimensions: 9"x13"x47" tall. Technique for loudspeaker enclosure resonance damping which doesn't take up too much interior cabinet space. Vintage designs. Cabinet dimensions and speaker layout for the Karlson loudspeaker enclosure (circa 1956). The "Bud Box" enclosure. An aluminum sheet metal box is covered with layers of vinyl flooring material to add stiffness and damping. Vintage designs. Altec-Lansing's 606-type cabinet (dimensions and construction details). Vintage designs. A Bass Ultraflex enclosure from the Jensen Manufacturing Co. (circa 1956). Evaluation of Radio Shack's grille foam. Graph of five different materials' sound absorption capacity is plotted against frequency. Helps in the selection of speaker box lining material. Tips on selecting materials for cabinet construction and damping. Tips on installing solid oak corner strips when making a loudspeaker case from oak veneer plywood. Vintage designs. University 3-way speaker system cabinet dimensions and layout. Small, low-diffraction Art Deco style cabinet features 6"-diameter half-round plywood ends. New guidelines for vented-box construction. A few simple design rules that enable the vent resonance (in hertz) to be predicted with an accuracy of +/- 5% for typical vented loudspeaker enclosures. Creating professional-looking grills for loudspeaker enclosures. Vented box design looks at multiple port ducts, vent location, and the diffuser port. Tips on building enclosures from wood-veneered fiberboard. Vintage designs. The Concerto-15 speaker enclosure. Overall dimensions: 26"x26"x61" tall. Vintage designs. The E/V Low Boy Cabinet. A 3-way system designed to use two model 4401, two model 6200, and one Cobra-12 drivers. Overall dimensions: 40"x15"x30" tall. Tips on making sight dimensional changes to the Aria 7 enclosure. The correlation between the shape of a loudspeaker enclosure and internal standing waves is examined. Vintage designs. University 3-way reflex cabinet. Overall dimensions: 26"x15"x36" tall. Advice on using latex adhesives (such as latex-based Liquid Nails) to assemble and seal loudspeaker enclosures. Box design and woofer selection. A new approach simplifies box design and makes woofer selection straightforward. Provides an intuitive understanding of the interaction between boxes and speakers. Vintage designs. The Electro-Voice Baronet KD7 enclosure. Construction view, parts list, and dimensions for a bass-reflex enclosure to accommodate the Electro-Voice 30" woofer. A high-quality speaker cabinet. Complete cutting diagrams and assembly instructions for building the Swan IV Satellite and Bass cabinets from oak-veneered particleboard and solid oak trim. Acoustic resistance-tuned enclosure. Step-by-step through the construction of an enclosure that features ease of tuning. Tips on constructing an unconventional vented box-within-a-box enclosure for an Isobarik equipped with TA305 drivers. Successful small woofers (5" and 6.5") utilize dual-chamber enclosures based on 50%/50% volume apportionment. Screw fastener recommendations when building loudspeaker enclosures from various man-made materials. Building materials for speaker cabinets. Suggested finishes for wooden speaker cabinets. Lets get this straight. Advice on making sure that enclosures are cut and assembled perfectly square. Vintage designs. Jensen Treasure Chest Duette enclosure. Obtaining the correct gluing pressure when clamping wood joints for loudspeaker enclosures. Tips on using bar clamps, corner (miter) clamps, frame clamps, etc. Vented loudspeaker box parameters. Determining the limits of magnitude response to help select the largest and smallest boxes that will have acceptable ripple. Speaker-enclosure screws. A review of the various fasteners which can be used to construct particleboard loudspeaker enclosures. Sticking together. Recommended wood adhesives and application techniques when building loudspeaker enclosures. How to cut plywood and other veneered boards with a circular saw blade to eliminate splintering. Using biscuit joinery when building loudspeaker enclosures. Part 1. Edge joints and butt joints. Using biscuit joinery when building loudspeaker enclosures. Part 2. Corner joints and miter joints. Cutting and using spline corner joints (spline miter joints) when fabricating loudspeaker enclosures. Vintage designs. Essential features and dimensions for the Wharfedale free suspension speaker enclosures (circa 1958). Simple veneering techniques when building loudspeaker enclosures. Calculating loudspeaker port length when using a non-circular cross section. Building wooden grille frames for loudspeaker enclosures. Includes jigs and techniques for cutting and clamping frames with mitered corner joints. Dressing up the grill. Making a more decorative version of a wooden grill frame. Bracing for shaking. Tips on constructing a structurally solid speaker enclosure with emphasis on making wood joints which are very strong and rigid. Vintage designs. Altec A-7 series enclosure. Tip on using non-hardening modeling clay to coat and dampen the inside of a loudspeaker enclosure. The waveguide path to deep bass. How to produce acceptable levels of bass with small drivers. Part 1. Constructing a double-ended waveguide structure. The waveguide path to deep bass. How to produce acceptable levels of bass with small drivers. Part 2. Modifications and construction of additional fixtures. The waveguide path to deep bass. How to produce acceptable levels of bass with small drivers. Part 3. Tests and followup work. Screws and other fasteners for use in loudspeaker enclosure construction. A dual-baffle loudspeaker enclosure for balanced reverberant response. Assembling a wood or MDF loudspeaker enclosure using biscuit joints. Speaker cabinet aesthetics. Construction tips and decorative ideas to improve the appearance of a homebuilt loudspeaker enclosure. The opposite moduli speaker cabinet. Combine two contrasting materials (rubber and sand) using modern grouting adhesives to form a unique loudspeaker enclosure material. The pre-cut speaker. Using 2x4-ft. pre-cut plywood panels (finished on one side) to build a 7-cubic-foot sealed-box type loudspeaker enclosure. The classic Altec 604 reborn. Tips on constructing a modern-materials version of this corner-cabinet design. Vintage design. Dimensions and construction notes for the Electro-Voice TL405 vented-box (bass-reflex) enclosure for use with the EVM18B 18" driver. Prime numbers for box dimensions. Calculating the standing-wave frequencies in a rectangular box. Includes a simple BASIC program. Vintage design. Dimensions and construction notes for the Electro-Voice TL505 vented-box (bass-reflex) enclosure for use with the EVM18B 18" driver. Alternatives to the golden ratio of 0.62:1:1.62 for speaker box dimensions. Information on the use of closed cylindrical tubes as chambers for open-back midrange drivers. The Karlson speaker enclosure. Reprint of a 1955 article detailing the construction and engineering of the Karlson Ultra-Fidelity model enclosure designed specifically to house a high-quality 15" loudspeaker. Tip on dealing with pressure-release or aperiodic loading in a closed box enclosure. Doing the Daline. Building a copy of JM Lab's Daline (decoupled resonant line) 3.1 hybrid speaker. The upper third of the enclosure serves as a single cavity that loads the rear of the woofer. The balance of the enclosure opens into a transmission line about 6-ft. long, terminating in a port at the lower rear of the cabinet. Music on the beach. Construction of four dual-vented enclosures and weathertight satellites to cover a large outdoor area (50x350-ft.). Double-chamber reflex enclosure. An extension to a standard loudspeaker enclosure design uses multiple chambers and vents within one main enclosure. Testing front-panel damping materials. Loudspeaker designer shares his findings concerning "minimum diffraction" enclosures. What's really happening in a stuffed line enclosure? A look at the impact of fiber loading of the resonant tube. Using thin lauan plywood as an easy, inexpensive finish for a particle board speaker enclosure. Determining optimum box dimensions for a rectangular loudspeaker enclosure. Zerobox 109. Build an enclosure for the Zerobox 109 woofer, transducer and crossover kit. A novel cabinet construction method. How make make loudspeaker enclosures of any desired shape in order to miminize various problems that tend to plague speaker cabinets. Quickie box. Inexpensive, easy-to-build dual-woofer enclosure is made from vinyl-covered MDF shelving. A study of 18 different midrange enclosures to determine what factors affect their output. Part 1. A study of 18 different midrange enclosures to determine what factors affect their output. Part 2. | |||||||||
Copyright © by Norman Lathrop Enterprises. All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means (electronic, mechanical, print photocopying, recording or otherwise) without the prior expressed permission of Norman Lathrop Enterprises, except as permitted by law. |
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