Building Valve Amplifiers

Building Valve Amplifiers

2nd Edition - November 7, 2013

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  • Author: Morgan Jones
  • eBook ISBN: 9780080966397
  • Paperback ISBN: 9780080966380

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Description

Building Valve Amplifiers is a unique hands-on guide for anyone working with tube audio equipment--as an electronics hobbyist, audiophile or audio engineer. This 2nd Edition builds on the success of the first with technology and technique revisions throughout and, significantly, a major new self-build project, worked through step-by-step, which puts into practice the principles and techniques introduced throughout the book. Particular attention has been paid to answering questions commonly asked by newcomers to the world of the valve, whether audio enthusiasts tackling their first build or more experienced amplifier designers seeking to learn about the design principles and trade-offs of "glass audio." Safety considerations are always to the fore, and the practical side of this book is reinforced by numerous clear illustrations throughout.

Key Features

  • The only hands-on approach to building valve and tube amps--classic and modern--with a minimum of theory
  • Design, construction, fault-finding, and testing are all illustrated by step-by-step examples, enabling readers to clearly understand the content and succeed in their own projects
  • Includes a complete self-build amplifier project, putting into practice the key techniques introduced throughout the book

Readership

Amateur and professional valve audio designers and enthusiasts

Table of Contents

  • Preface

    Acknowledgements

    Section 1: Construction

    Chapter 1. Planning

    Chassis layout

    Parts having specific problems and solutions

    Examples

    References

    Recommended further reading

    Chapter 2. Metalwork for Poets

    Lighting

    Artificial lighting

    Personal protective equipment (PPE)

    Marking out

    Drilling round holes

    Sawing metal

    The traditional folded chassis

    Making a chassis from extruded aluminium channel and sheet

    Finishing

    Recommended further reading

    Chapter 3. Wiring

    Tools

    Hand tools

    Electromagnetic compatibility (EMC)

    Types of wire

    Wiring techniques

    Class I and Class II equipment

    Earthing

    Rectifiers and high-current circuitry

    Balanced interfaces

    Layout of small components within a chassis

    PCBs

    Problems and solutions

    Reference

    Recommended further reading

    Section 2: Testing

    Chapter 4. Test Equipment Principles

    The moving coil meter and DC measurements

    Comparative versus absolute measurements

    Precision and accuracy

    Errors and uncertainties

    Combining uncertainties

    Why worry about uncertainties?

    Calibration

    Meters and AC measurements

    Digital voltmeters (DVMs)

    Oscilloscope principles

    Analogue oscilloscopes

    Bells and whistles

    Digital oscilloscopes

    Applying signals to the oscilloscope

    Oscillators and dedicated audio test sets

    Other test equipment

    References

    Recommended further reading

    Chapter 5. Faultfinding to Fettling

    Safety

    Electrical safety testing

    Functionality testing

    Faultfinding

    Classic amplifiers: Comments

    References

    Chapter 6. Performance Testing

    Linear distortions

    Measuring gain at different frequencies

    Impedance against frequency

    Non-linear distortions

    Measuring power supply ripple and hum

    Measuring noise

    References

    Section 3: Examples

    Chapter 7. Practical Projects

    Bulwer-Lytton power amplifier

    RIAA power supply (a.k.a. the “Thing”)

    Hybrid balanced RIAA stage (a.k.a. “Toaster”)

    References

    Appendix

    Two-terminal modelling equations and spreadsheets

    Six-component worked example

    UK to US glossary

    Index

Product details

  • No. of pages: 662
  • Language: English
  • Copyright: © Newnes 2013
  • Published: November 7, 2013
  • Imprint: Newnes
  • eBook ISBN: 9780080966397
  • Paperback ISBN: 9780080966380

About the Author

Morgan Jones

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