Baxandall and Self on Audio Power: Linear Audio Classic

Self, Douglas,Baxandall, Peter

ISBN 10: 9490929034 / ISBN 13: 9789490929039

Published by Linear Audio, 2011

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Synopsis:

Arguably, the last quarter of the previous century saw audio (power) amplifier technology advance with great leaps. Active and passive components of great technical quality and reliability became available commercially. Detailed understanding of what exactly goes on inside our audio circuits, as well as the areas where improvements were possible, greatly increased. The original meaningof High Fidelity, i.e. trying to reproduce music from a source as transparent and as untouched as technically possible, was leading this advance.

One important catalyzer for this progress was the British journal Wireless World, which published leading articles on audio technology. WW articles are to this day treasured and consulted by those interested in audio technology.

Two often-quoted series of articles, written by Peter Baxandall and Douglas Self, have beenreproduced in this book. In addition, some 35 typewritten pages by Peter, discussing technical amplifier issues, which never have been published before, have been added.

Between them, Peter and Douglas treat the important issues in audio power amplifier design, Peter focusing on feedback and related issues, and Douglas focusing on distortion and related issues. Perhaps the most quoted (and most misunderstood) figure from Peter’s series was the (in)famous graph showing increasing higher harmonics with medium feedback levels. Reading the full article in Section I is very illuminating.
Arguably the most quoted (if not the most important) concept from Douglas’ series is the concept of the Blameless Amplifier. Again, often criticized and often misunderstood, it nevertheless makes sense when reading the complete articleseries in Section II.
Finally, Peter’s lengthy letter to Douglas in Section III is a great example of critical technical reasoning and investigation, often giving that last bit of missing insight.

If you are serious about understanding and/or designing audio power amplifiers, get this book. While there are many other great books on the subject, Baxandall and Self on Audio Power addresses the most important issues in one compact book.

Jan Didden
Publisher/editor

Bibliographic Details

Title: Baxandall and Self on Audio Power: Linear ...
Publisher: Linear Audio
Publication Date: 2011
Binding: paperback
Condition: Very Good