Valve Amplifiers

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 AudioValve 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 amplifiersChapter 2: Additional circuits, semiconductor constant current sources expandedChapter 3: Entire new section on noiseChapter 4: Lots of new measurements to explode or explain audio folkloreChapter 5: Astonishingly quiet, but cheap and simple HT supplyChapter 6: New power amplifierChapter 7: New hybrid balanced RIAA stage, attenuator law fakingVA3'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

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 Valve Amplifiers has been recognized as the most comprehensive guide to valve amplifier design, analysis, modification and maintenance. It provides a detailed presentation of the rudiments of electronics and valve design for engineers and non-experts. The source also covers design principles and construction techniques to help end users build their own tool from scratch designs that work. The author's approach walks the reader through each step of designing and constructing, starting with an overview of the essential working principles of valve amplifiers, the simple and complex stages, the process of linking the stages, and completing the design. The book is comprised of seven chapters all of which include a DIY guide discussion of practical aspects. The text starts with familiarization of the fundamentals of electronics, which are essential for designing and building valve amplifiers. Particular attention has been paid to providing solutions for questions that are commonly asked and faced by beginners in valve designing and construction. Valve Amplifiers is a masterful hands-on guide for both experts and novices who work with tube audio equipment, and for electronic hobbyists, audio engineers, and audiophiles. 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 Content: Front-matter , Pages i,iii Copyright , Page iv Preface , Pages ix-x Dedication , Page xi Acknowledgements , Page xiii Chapter 1 - Circuit Analysis , Pages 1-63 Chapter 2 - Basic Building Blocks , Pages 65-154 Chapter 3 - Dynamic Range: Distortion and Noise , Pages 155-237 Chapter 4 - Component Technology , Pages 239-331 Chapter 5 - Power Supplies , Pages 333-434 Chapter 6 - The Power Amplifier , Pages 435-546 Chapter 7 - The Pre-Amplifier , Pages 547-646 Appendix , Pages 647-662 Index , Pages 663-686