Enhanced vacuum tube power amplifier

Amplifiers – With plural diverse-type amplifying devices

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330268, H03F 500

Patent

active

051481162

ABSTRACT:
An audio power amplifier for general audio and sound reinforcement use, or musical amplification, stringed or otherwise, which combines the sonic properties of vacuum tube amplification with the modern technology of solid state electronics, with its attendant advantages.

REFERENCES:
patent: 2773136 (1956-12-01), Futterman
patent: 2979664 (1961-04-01), Palmer et al.
patent: 3253225 (1966-05-01), Dalton et al.
patent: 3325742 (1967-06-01), Moriyasu
patent: 3995226 (1976-11-01), Berning
patent: 4163198 (1979-07-01), Berning
G. W. Short 1961.
Hewlett-Packard (letter by A. E. T. Nye 1961).
B. Alvsten & L. Bergsten 1968.
Mortensen 1989.

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