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In audio applications valve amplifiers are considered by many to offer better quality sound than transistor amplifiers. This book allows those with a limited knowledge of the field to understand the theory & the practice of valve audio amplifier engineering.
A practically based explanation of electronic circuitry.
To many people, the thermionic valve or electron tube is history. However, whether it is nostalgia, interest in the technical parameters, the appeal of a gleaming amplifier chassis with softly glowing valves, respect for the technical know-how of an earlier generation, or perhaps the firm conviction that the sound of a valve cannot be bettered, it is a fact that the valve is making a come-back. The book contains, apart from construction projects for preamplifiers, power amplifiers, and two amplifiers for musical instruments, information on the operation of electron tubes, while the first chapter gives a short history of the valve.
Cites the patents of 29 inventors that relate to radio and television, in chronological order, so that the development of their careers can be traced. Also includes patents in electricity and telegraphy that prepared the way for radio, and Marconi's British patents. Covers to 1955. No subject index. Annotation copyright by Book News, Inc., Portland, OR