Reviews of previous editions:
"Jam-packed with theory, circuit analysis, and DIY basics, it
will walk you through all stages of design so that you can create
your own wonders. Jones is an ex-BBC engineer with a cool writing
style and you ll find it a no-pain education." Hi-Fi News and
Record Review
"Valve Amplifiers is an extremely well written book, containing
a wealth of information that all audio designers and builders will
find useful." Glass Audio
Valve Amplifiers is a market leader for one simple reason: in
this specialist area it is recognized as the most complete guide to
valve and vacuum tube amplifier design, modification, analysis,
construction and maintenance. It is truly the all you need to know
guide, and enables audio and circuit designers to succeed with
their valve amplifier designs and projects.
This book enables readers to understand, create, reconfigure and
personalize high-end, audiophile quality amplifiers. Following a
step-by-step approach to design, with little maths and lots of
know-how, it starts with a brief review of electronic fundamentals
relevant to valve amplifiers, simple stages, compound stages,
linking stages together, and finally, complete designs.
The new material included in this Fourth Edition ensures this
book will stay at the top of any audio designer s or enthusiast s
reference list.
What s new within the chapters:
Chapter 1: Charge amplifiers
Chapter 2: Additional circuits, semiconductor constant current
sources expanded
Chapter 3: Entire new section on noise
Chapter 4: Lots of new measurements to explode or explain audio
folklore
Chapter 5: Astonishingly quiet, but cheap and simple HT
supply
Chapter 6: New power amplifier
Chapter 7: New hybrid balanced RIAA stage, attenuator law
faking
VA3's focus was on distortion, but in VA4, focus is pushed
towards background noise reduction. If that wasn t enough, there s
more explanation, more measurements, more references, and plenty of
new one-liners, any one of which might save hours of trouble.
* The practical guide to analysis, modification, design,
construction and maintenance of valve amplifiers
* The fully up-to-date approach to valve electronics
* Essential reading for audio designers and music and electronics
enthusiasts alike"
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