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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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AUDIO EQUIPMENT sa AUDIO AMPLIFIER sa AUDIO ANALYZER sa AUDIO BALANCE CONTROL sa AUDIO CABLE sa AUDIO EQUALIZER sa AUDIO EQUIPMENT MAINTENANCE & REPAIR sa AUDIO EQUIPMENT TESTING sa AUDIO FILTER sa AUDIO MIXER sa AUDIO POWER METER sa AUDIO PREAMPLIFIER sa AUDIO REVERBERATOR sa AUDIO SIGNAL PROCESSING sa AUDIO STEREOPHONIC CONVERTER sa AUDIO TAPE RECORDER sa AUDIO TONE CONTROL sa AUDIO VOLUME CONTROL sa AUTOMOBILE AUDIO SYSTEM sa BOAT AUDIO SYSTEM sa COMPACT DISC PLAYER (AUDIO) sa LOUDSPEAKER sa MICROPHONE sa MOTORCYCLE AUDIO SYSTEM sa PHONOGRAPH sa PUBLIC ADDRESS SYSTEM sa QUADRAPHONIC STEREO sa RADIO xx AUDIO xx ELECTRONICS xx RADIO Audio fundamentals. The matching myth. Part 1. An introduction to the concept of optimum transfer of power from a generator (amplifier) into a load (loudspeaker) as it applies in audio systems. Audio fundamentals. The matching myth. Part 2. Optimum loading and magnetic phono cartridges. Grounding in audio equipment. How and why to ground circuits in audio equipment. How to found an audio group. Ambience, Blumlein, and the Super Quadpod. Exploring early stereo recording techniques using two full L and R stereo processing units. (1) Permits conversion of either direct derived L+R and L-R "Middle-Side" recordings into L and R channels. (2) Permits conversion of conventional L and R signals into L+R and L-R and back again. Issues of reliability and validity in subjective audio equipment criticism. A look at scientific techniques that might improve listening tests. A multi-tone intermodulation meter. Part 1. An overview of audio measurements, linear and nonlinear distortion, static distortion, dynamic distortion, etc. A multi-tone intermodulation meter. Part 2. Construction and use. A multi-tone intermodulation meter. Part 3. Measuring nonlinear distortions. Applying the IM (intermodulation) meter measurements to existing amplifiers and proposed improvements to amplifier design. Preparing for a career in audio engineering. About noise in sound-reproduction gear. A pragmatic approach to the reduction of electronic and the related improvement of sound in high-fidelity equipment. Looks at causes of RFI and EMI, noise filters, grounding, cables, etc. Balancing differential circuits. A review of why we use differential input circuits for balanced and unbalanced signal inputs and how to improve common-mode rejection and decrease thermal drift. Tip on using brass automotive engine-block freeze plugs as expensive-looking feet for loudspeakers, audio equipment, furniture, etc. Optimizing your audio system. A performance model and software to help you achieve your upgrade and modification objectives. Part 1. Optimizing your audio system. Part 2. New information on RIAA reference networks for designers of high-end audio equipment. An audio balun. Build a test device to measure balanced inputs or outputs on audio equipment or to send audio signals over a long cable. The AC power line and audio equipment. Part 1. A look at the many factors affecting your power line and some tips on how to protect your audio equipment. The AC power line and audio equipment. Part 2. Causes of interference and tips to ensure a clean AC power line. The AC power line and audio equipment. Part 3. The various protection schemes. What to know before you buy stereo equipment. Answers to 10 common questions about stereo systems. How to pack your hi-fi for moving. 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. Audio volume booster overcomes outside noise. This circuit increases audio level when external noise is too high. Music everywhere. A look at whole-house audio systems. Part 1. Basic concepts. Music everywhere. Part 2. Proper plans for whole-house audio design. Speaker placement, matching speakers and amplifiers, controls, and cost. Music everywhere. Part 3. Wire selection and installation tips. Designing an outdoor audio system. Tips on acoustics, equipment, wiring, remote controls, etc. Before you build. Step 4. Preparing a house for music. Advice on audio component storage, speakers, controls and wiring. A compact stereo you can build has amplifier and record changer in same base. Uses IC amplifier modules capable of delivering 15 watts rms to each speaker. Est. cost: $100. Adding a third channel for improved hi-fi ambience. Derived from present two stereo channels. Schematic for the Fisher Model 50-C master audio control (circa 1953). What you should know about home audio equipment. Includes information on improving your loudspeaker wiring system. Frequency response. Understanding the meaning of "flat response", "kilohertz", and "decibel" as they are used in describing audio equipment and performance. Coding of cables and connectors helps keep component connections straight. Remote control switch turns your audio amplifier on and off each time one of your components (tape player, record player, tuner) is turned on or off. Can be adjusted to other uses. Est. cost: $7. Simple tone control circuit can be inserted between the preamp and the power amp. How to match hi-fi components. General rules for how much of your total dollar outlay should go for various components. Special focus on audio. The basics of buying hi-fi components. Vocal zapper makes you a "superstar". This circuit cancels the "phantomed" center channel of a stereo record and lets you substitute your own voice. Criteria for selecting audio equipment that suits your taste and your budget. Surface-mount audio modules. How to pick, assemble and mix those SIP (single inline pin) devices you need for an audio project. How to choose a compact hi-fi system to suit your needs. How to determine the amount of power (wattage) you need in a hi-fi and how to unscramble the various output rating systems manufacturers use. Low-voltage remote control allows operating your hi-fi from any room in the house. A rundown on dollar-stretching bargains available in hi-fi amplifiers and tuners. How to get started building hi-fi kits. How to use the new PS stereo test record to test your own stereo system. Record cost: $5.79. A look at what's available in compact stereos and tips on what to look for when you check one out. The ins and outs of interfacing stereo system components (turntable, tape, antenna, receiver, speakers, etc.). An interesting volume expander circuit for your hi-fi. Computer-designed audio networks. BASIC program eliminates the hard work in designing impedance-matching networks and attenuators for audio systems. Positive and negative feedback. What it is and how it is used in audio circuits. Debunking myths and legends surrounding audio systems. Looks at sound quality, amplifier power, etc. A primer on distortion in audio equipment. Part 1. A primer on distortion in audio equipment. Part 2. A hi-fi stereo system of good quality is assembled from prebuilt components. Consists of a record changer and amplifier in a walnut base and two speakers. How to stereo-ize your home. Hints on how to select a stereo set and on speaker placement in your home. How to choose a stereo tuner. Homemade silicone isolation pads to fight vibration in audio equipment, protect furniture from scratching, etc. Understanding specifications when purchasing audio equipment. A guide to nine stereo systems in the $200 to $600 price range and tips on how to pick the right one for you. | |||||||||
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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