 | An Approach to Audio Frequency Amplifier Design An Approach to Audio Frequency Amplifier Design First published in 1957 by the Valves and Electronics Department General Electric Company of England, this book covers the essential details and circuit diagrams of a wide range of audio frequency amplifiers from a 5 watt ultra-linear to an 1100 watt Class AB2 amplifier. All designs are based on vacuum tubes. Full parts list accompanies each schematic. 126 pages, 0.6 lb, 6" x 9". | $18.95 More Details |
 | Sound Advice from Gerald Weber Sound Advice from Gerald Weber | $29.95 More Details |
 | Designing Power Supplies for Tube Amplifiers By Merlin Blencowe Designing Power Supplies For Tube Amplifiers is a unique guide to the operation and practical design of linear power supplies, especially for valve equipment. Audiophiles, guitarists and general hobbyists alike will find this book an invaluable source of detailed information on transformers, rectifiers, smoothing, high voltage series and shunt regulators, and much more. | $39.00 More Details |
 | Saga of Marconis Osram Valve, softcover Marconi Osram Valve was born of famous parents in exciting times. It was founded by Lord Hirst, an entrepreneur of stature and vision who believed in individual flair and a supportive and 'can do' culture. Its history covers 100 years, three generations, two world wars and the great developments in broadcasting in the post-war periods. The history is intertwined with Marconi, EMI, RCA, Osram and the GEC itself over virtually the whole period of electronics. Softcover, 346 pages. | $34.95 More Details |
 | TV-7/U Test Set-Up Data High quality reprint of the test set-up manual for the military TV-7/U, TV-7A/U, TV-7B/U, and TV-7D/U versions of Hickok tube testers, normally supplied in the lid of the tester. Also contains operating instructions, conversion table for Army VT numbers, and data table for CV type tubes. 83 pages, 0.4 lb., 6.75 x 5.35 | $9.95 More Details |
 | Vacuum Tube Valley, Volume 10 Edited by Charles Kittleson Very high quality quarterly publication for electronic enthusiasts interested in the colorful past, present and future of vacuum tube electronics. Check with us for the new quarterly issues as they come out during the year. Fantastic reading and pictures. Warning! Once you read one, you’ll want all of them! Issue 10:6V6 History and Listening Test; Bruce Moore Interview, Part 2; Maxi-Matcher Tube Tester Review; 35 Watt Triode Amp Project; Distortion Analysers; Dumpster Tube: 6AV5; and More. 0.3 lb. | $10.95 More Details |
 | Tubes and Circuits by Bruce Rozenblit Tubes and Circuits, is the most comprehensive and up to date text on vacuum tube audio currently available. Join Transcendent Sound's Bruce Rozenblit as he takes the reader on a journey from the basics up through advanced designs. Vacuum tube operation is completely explained from the chemistry of tubes through the electric fields that control them, how they work and how they fail. Essentials of DC and AC circuits are covered as well as some of the most useful circuits in tube audio. Single-ended and push-pull transformer output stage theory is also presented. | $29.95 More Details |
 | Radio Set Socket Layout Guide 1921 - 1935 This reprint of a 1935 RCA publication shows tube complement, chassis layout and date of manufacture for thousands of radios produced by over 100 different manufacturers. It also contains a tube data chart and base diagrams for RCA receiving tubes. It is very useful for identifying unknown model numbers or determining which tubes belong in a set. 256 pages, 0.9 lb, 5 x 8.25" | $8.95 More Details |
