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12 of 12 people found the following review helpful:
5.0 out of 5 stars
Well-written, great buy, October 29, 2009
This review is from: Designing Tube Preamps for Guitar and Bass (Hardcover)
I believe Merlin Blencowe's work occupies a hitherto unoccupied place amongst books on the subject of valve musical instrument amplifiers - I own quite a few on the subject. This book is sure to endure.
Classical electronic texts from the fifties and earlier occupy one extreme of the spectrum and repair and modification cookbooks the other end.
I find the book well compliments Richard Kuehnel's excellent treatises. Both Blencowe's and Kuehnel's sit closer to the classic texts in approach than say K O'Connors books. Due to Blencowe's inclusion of solid examinations of the sonic implications of various design choices, this book tends more toward immediate practical application than Kuehnel's books do. Blencowe does the latter task better than any other text currently available, it really does integrate theory and sound. The book also contains original research and observations, notably on the dc coupled cathode follower.
If forced to recommend any one book for those interested in guitar preamp design it would be this one. But then again, who, if they were genuinely interested, would make do with just one book?
F Langford Smith, F Terman and other great technical and academic authors from the past are put into modern context by Kuehnel and Blencowe. In fact, these four authors together cover the entire theoretical field needed. Never before have guitar amplifier designers and hobbyists had so much high quality, well-written field-specific information at their fingertips.
I look forward to future editions from Mr Blencowe.
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8 of 8 people found the following review helpful:
5.0 out of 5 stars
The indispensible instrument tube amplifier design book, December 11, 2009
This review is from: Designing Tube Preamps for Guitar and Bass (Hardcover)
This is bar-none the best book available on the subject. For anyone with more than a passing interest in tube amplifier design for musical instruments, this is a must-have. The language is clear and accessible, and the mathematical treatment distilled to a level that is practically useful, without being overwhelming to non-electrical engineering types such as myself. Besides clear descriptions underlying the design of several key amplifier circuits, it also lays out best practices in a number of areas, and there is also a great deal in this book that is just downright innovative. Indeed, it provides a treasure trove of ideas that amply repays repeat reading. Very highly recommended. I'm very much looking forward to subsequent volumes.
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7 of 7 people found the following review helpful:
5.0 out of 5 stars
This is the "one", October 6, 2009
This review is from: Designing Tube Preamps for Guitar and Bass (Hardcover)
This book is not meant for beginners, but if you are designing a tube amp, you're probably not a beginner in the first place. It is not a long mathematical treatment of design. The math is there, but all the long derivation calculations are crunched down to a few steps (you can get the full mathematical treatment of the same calculations from the old electrical engineering texts). This book is about applying the design ideas and using the final math formulas.
Most books on guitar tube amplifiers approach them from the same angle as a Hi-fi amplifier. Musical instrument amps are different from Hi-fi amps. Guitar amplifiers are meant to produce distortion, even "clean" amps. This is not just another re-writing of all the amp design books from the 40's and 50's, it is very specific in its scope and does it a clearly written style. There are schematics and graphs that really do help you inderstand better and not just fill up the page count.
It's all here from a basic gain stage to interstage coupling, tone stacks, cathode followers, feedback, effects loops, and phase inverters.
If you are past building kits and want to know how to make it all work with your own ideas, this is your book.
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