Amp guru Lee Jackson gives you the essential information to start working with amplifiers. Tools of the trade - hand tools, scopes and chemicals; the basics of soldering and how to make your own cables; Tubes - history, specs, how they work, and how to substitute one for another; electronic symbols; amplifier modification schematics, from adding reverb and phase inverters to distortion and biasing (multiple suggestions for each); schematics of solidstate circuits and power supplies; more. Over 180 photos and illustrations. Doesn't take you all the way through the design and building process but does contain lots of useful information to get you started. 151 pp.