Gerald Weber answers questions about vintage guitar amplifiers on topics such as biasing for output tubes and easy modifications. He includes an analysis of Fender® classics such as the Tweed Champ, Tweed Deluxe, Deluxe Reverb, Super Reverb and others. Also included are schematics for Ampeg®, Fender®, Gibson®, Hiwatt, Magnatone, Marshall®, Rickenbacker, Silvertone and Vox® amps. 500 pages. 1.5 lbs, 6" x 9"