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Audio Power Amplifier Design

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Description

This is the essential book reference for amplifier designers. Douglas Self covers all the design issues of noise, distortion, power supply rejection, protection, reliability, and layout. He describes advanced forms of compensation that give dramatically lower distortion. This edition is much expanded, and packed with new information. It is a must-have for audio power amplifier professionals and audiophiles, amateur constructors and anyone with intellectual curiosity about the struggle towards technical excellence. New to the sixth edition:The characteristics of the audio signalThe principles of distortionFeedback intermodulation distortionNon-switching output stagesVAS distortion explainedPush-pull VAS configurationsOutput-inclusive compensationIn addition, five amplifier design examples that illustrate important design principles are examined and measured in detail. These can be straightforwardly adapted to specific requirements.This new edition also includes a wealth of material on the XD crossover-displacement principle (invented by the author and in use by Cambridge Audio), four-stage amplifier architectures, error correction, current-mirrors, power transistors with internal sensing diodes, amplifier bridging, input-stage-common-mode distortion, amplifier stability, output stages with gain, inrush current suppression, DC servo design, thermal protection, cooling fan control, advanced line input stages, testing and safety, infrared remote control, signal activation, 12V trigger control, the history of solid-state amplifiers and much more. Simple procedures for heatsinking and power supply design are given. Read more

Publisher ‏ : ‎ Routledge; 6th edition (July 18, 2013)


Language ‏ : ‎ English


Paperback ‏ : ‎ 718 pages


ISBN-10 ‏ : ‎ 0240526139


ISBN-13 ‏ : ‎ 33


Item Weight ‏ : ‎ 2.9 pounds


Dimensions ‏ : ‎ 9.2 x 7.5 x 1.5 inches


Best Sellers Rank: #522,191 in Books (See Top 100 in Books) #65 in Circuit Design #88 in Acoustic Engineering #177 in Physics of Acoustics & Sound (Books)


#65 in Circuit Design:


#88 in Acoustic Engineering:


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Top Amazon Reviews


  • The Bible on amplifier design
I can't express how impressed I am with this book, and with the depth of analysis Douglas Self has put into it. So many books on analog design read like a math text books while missing the point of creating a true feel and understanding of the principles. You can believe or not believe that audibility is predicted by measurements, but Self's perfected designs of the most common architecture achieve a result what would be a wire with gain were it not for the most modern measurement techniques. He doesn't just present theory, but backs it up with real measurements, not just of his designs but of a very large number of highly regarded existing designs. I enjoy building, but more often modifying audio equipment. His analysis opened up a new level of understanding for me. If you do analog design, not just amplifiers, you owe it to yourself to read this book. His approach to optimizing rather than just throwing architecture against the wall is truly enlightening. I understand now how so many of the classic, seemingly advanced amplifier designs are really made to look nice on paper without much analysis of how they compare in the real world to other architectures. ... show more
Reviewed in the United States on September 17, 2023 by MWZ

  • Get it even you if you do not plan to build power amp
With field of audio filled with misinformation this is must if you want to - Understand what amp to use and when - Be able to build your own amp at a fraction of the price of the comparable brand-name amp
Reviewed in the United States on December 22, 2023 by Alexander

  • Cant praise enough...
Douglas Self is an amazing teacher, I have read most of his books including some articles in Linear Audio, and this book is no exception to the rule: it is the definite bible on audio amplifier design. What I truly enjoy about this book in comparison with other books on the same subject, is the fact that Douglas self discusses many exiting topologies used in commercial amplifiers as opposed to just giving you idealized models, you can see actual circuits of many amplifiers spanning decades ago and Douglas Self will point out its advantages as well as deficiencies. Something I believe is very important is the fact that Douglas provides real measurements to back up his claims, and all of his measurements are made with higly respected Audio Precision equipment, as opposed to only relying on SPICE, Douglas went throught the trouble of either measuring existing equipment or building his own ideas and testing them out, we are talking about thousands of hours on the bench, that to me is priceless. This is no beginners book, you really need to have a solid analog electronics background to get the best out of this book, I recommend reading other books before as an introduction (such as Cordell's book). . As always, Douglas Self approach to audio design is skeptical and objective, no weird voodoo or subjective opinions take place, which I believe is crucial in audio power amplifier design, it is easy to read books claiming about the "warmth" of a certain amplifier, but whats "warmth" in the first place? to me it can mean some thing, to you another, thus I believe that this cool headed approach Doug takes on amp. design focusing on simplicity, efficiency and low distortion is exactly the way to do it. Douglas writting style is clear and his very subtle humor makes everything easy to read. I believe that in general a bit more math would have been useful to further back up his claims. ... show more
Reviewed in the United States on July 18, 2015 by AnalogJoe

  • Excellent book
An excellent book on the subject of audio power amp design. Unfortunately far too many errors referencing component designators in Figures and other grammatical errors to warrant 5 stars. Including the wrong schematic that was critcial to the discussion of one chapter. Unfortunately the hifi world seems to be stuck in the dark ages, where specifications, rigorous and repeatable testing and logic are ignored, in favour of non-blind subjective testing, where the performance relates only to the cost of the item. It's refreshing to see that this book does not fall into that category. The power amplifier is broken down into separate sections and analysed in detail, with a view to designing a distortionless and very low noise power amplifier, from 20Hz to 20KHz. Assuming a basic knowledge of electronics, this analysis is clear and easy to follow. The book appears to be written primarily for people in the power amplifier design business, rather than DIYers. With lots of discussion on the cost to performance benefit and other marketing issues. Unfortunately the text contains lots of self-righteous comments and unnecessary bantar that detracts from the othwise excellent details. Though this was amusing at times. ... show more
Reviewed in the United States on October 15, 2013 by A. Stephens

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