Designing Audio Power Amplifiers
Master the art of audio power amplifier design This comprehensive book on audio power amplifier design will appeal to members of the professional audio engineering community as well as the hobbyist. Designing Audio Power Amplifiers begins with power amplifier design basics that a novice can understand and moves all the way through to in-depth design techniques for the very sophisticated audiophile and professional audio power amplifier designer. This is the single best source of knowledge for anyone who wants to design an audio power amplifier, whether for fun or profit. Develop and hone your audio design skills with in-depth coverage of these and other topics: Basics of audio power amplifier design MOSFET power amplifiers and
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His Master’s Voice,
When I heard that Bob Cordell had written a book on audio power amp design, I advance-ordered it immediately. Everything I’d seen of his work over the years had been eminently coherent and elegantly conveyed. The book arrived today and is well worth the wait.
I’m going to have to be careful about how much time I spend with this, as it could easily keep me up into the wee hours and lead to an impractical day following. But everything I’ve sampled is accurate, concise, and a pleasure to read. Much like Floyd Toole’s recent magisterial tome, Sound Reproduction, Cordell calmly but decisively demolishes flawed audio mythology at every turn. Part 5, toward the end, is itself well-worth the price of admission. The discussion on negative feedback in particular is recommended.
But the book is not all about skewering shibboleths, and dipping into to earlier chapters reveals a keen and compassionate ability to convey crucial insights into real design. The balance between the maths, simulation results, and real-world experience is well-wrought. Again, I’ve not read but a fraction, but the flavor comes through readily from all of the excerpts I’ve perused.
As well, the book appears to be astonishingly typo-free. There must be a few, but I haven’t found any yet.
Having heard directly from Toole how arduous the production of his book was, the fights with incompetent editors and so forth, and the negligible compensation he’s receiving, I am mightily impressed with this book, and thank Bob Cordell for expending the enormous effort it has doubtless required. And I sense a fundamental decency about the man, somehow.
Very highly recommended.
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|It gets better all the time…,
I first heard of Bob Cordell from a 1984 construction article in the new defunct Audio magazine: his famous THD analyzer. It was not just the equipment itself that attracted me, but also his clear, well-structured and consistent writing, which shows the amazing expertise and experience this man has amassed in audio technology. Next was his AES-paper outlining his error correction power amp which, 25 years later, has not been bettered performance-wise. Now Bob did all of us a fantastic favor by bundling his expertise and knowledge on solid state audio power amp desing in a single tome. And believe me, you’ll learn or get new insight from each of those 600 pages.
I’m not going to list all the subjects he treats – think of one, and it’ll be there!
Bob’s purpose is clear: he is not doing this to show off all he knows; he is doing this to explain to you, the reader, how things work, how you can apply ideas and concepts, and how you can use them in your own designs.
I have to declare an interest here: when I started to put together the inaugural issue of my new bookzine ‘Linear Audio Volume 0′, I was able to convince Bob to give me an article (a clever piece of test equipment called the Distortion Magnifier, also outlined in his book). True to character, the DM article (which he did in the midst of final editing for his book!)is a model of purpose-driven engineering coupled to clear and lucid writing. Trust me. You need this book.
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|Methodical, detailed, comprehensive,
I only recently encountered Bob Cordell’s work and was lucky to pick up a copy of this book during a recent trip over to the US. This book is an important addition to the body of work on amplifier design. It complements popular and well-regarded books by Self and Duncan (which I also have), yet provides further enlightenment on a number of very useful topics.
Cordell is strong on simulation and measurement, and has studied the causes of (and effects of) dynamic crossover distortion in a wide range of output stages. I like the way that he is even-handed about subjectivism versus optimism; there’s too much dogma on both sides of that debate. Cordell’s approach is “if you think this aspect of amplifier behaviour is a problem, here’s how to fix it”.
This book has rekindled my own interest in power amplifiers and I will be referring to it regularly. I recommend it highly.
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