Recommended Readings
This page contains a compilation of links to external websites that I found very helpful and inspiring for
designing my own projects.
Articles and schematics by Allen Wright on phono stage design. His papers and his tube preamp cookbook
are easy to read, highly informative and simply a „must read“ for any one entering the world of phono
preamplifier designs. Allen mainly worked with triodes. One attempt of my designs is to transfer his
concepts into the world of solid state.
Secrets of the phono stage
Schematics & Circuit Diagrams
A passive RIAA calculator based on the RIAA equalization network that was published by Stanley P. Lipshitz
in 1979. I tested the calculators and compared calculated values with reference tables. The calculator
works fine.
Calculate passive RIAA EQ Network
Articles by Nelson Pass on cascodes, single-ended designs and more.
Cascode Amp Design
Single-Ended Class A
The first Watt
Rod Elliott runs an amazing web site full of projects, ideas and very useful background information not only
for DIY. I learned a lot from this web site.
Professional results for the Do-It-Yourself enthusiast
Compound Pair Vs. Darlington Pair
Helpful websites with step by step calculations to find the appropriate washers and heat sinks
How to Select a Heat Sink
Calculating heat sinks
How Much Heatsink Do I Need For An Amplifier?
The Tube CAD Journal. Web site with lots of ideas on tube amplifier designs, theoretical approaches,
merging the world of tubes and solid state and lots of lateral thinking
Tube CAD Journal
Supertriode
Single-Ended Super-Triode Amplifiers
Some articles on Audio Transformers
Transformers For Small Signal Audio
Moving Coil Cartridge Step-up Transformers
Dr. Tube is a web site with a comprehensive collection of tube datasheets
Dr. Tube datasheets
The Valve Wizard is a web site that contains a lot of information on concepts and the
design of tube based circuitry. The site is very educational and truly recommendable
The Valve Wizard
Jac van de Walle sells tubes and audio related components. His web site, however, also has
lots of nice background information on tubes as well as schematics and datasheets
Jac Music
David Davenport wrote a comprehensive paper on audio component grounding and interconnection,
that I would consider a “must read“ for any DIY enthusiast
Grounding and interconnection
Essential Analog Readings
Wright A. The Tube Preamp CookBook. Vacuum State Electronics,
second Edition 1997 (I never learned so much from so few pages).
Self D. Audio Power Amplifier Design Handbook . Newness, second
Edition 2000, Great Britain, ISBN 0 7506 4527 X
Self D. Electronics for Vinyl . A Focal Press Book, first Edition 2018
New York, ISBN 978-1-315-20217-4
Horowitz P, Winfield H. The Art of Electronics. Cambridge University
Press, second edition, 1989 USA, ISBN 0 521 37095 7
Blencowe M. Designing High-Fidelity Tube Preamps. published by
Merlin Blencowe, 2016 USA, ISBN 978-0-9561545-3-8
… to be contiuned
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super triode, vinyl, audio, analog, single ended, SE, power amplifier, hybrid, tube, KT66, 6SN7, ECC88, Mosfet, Lundahl, MC phono stage, preamplifier, MM, MC, moving coil, moving magnet, LL1693, LL1667, LL9226, LL1933, RIAA, folded
cascode, 2CS5200, MAT12, 2N3810, LL1660S, IXFN32N120P, balancing amplifier