Electrical audio signal processing systems and devices – With amplifier
Patent
1990-01-18
1992-06-30
Isen, Forester W.
Electrical audio signal processing systems and devices
With amplifier
381 98, 381 61, H03F 2100, H03G 300
Patent
active
051270595
ABSTRACT:
A pre-amplifier for musical instrument audio signals which utilizes a solid state programmable logic device to control a plurality of solid state switches for routing the audio signals in preselected manner through successive stages of vacuum tube amplification.
REFERENCES:
patent: 4495640 (1985-01-01), Frey
patent: 4701957 (1987-10-01), Smith
patent: 4935875 (1990-06-01), Hayashi
The Audio Cyclopedia by H. M. Tremaine, 1980, pp. 548-550, Model LA-2A leveling amplifier.
Noll, FET Principles, Experiments, and Projects, 1975, pp. 221-223.
Lancaster, CMOS Cookbook, 1979, pp. 349-355.
Elion Clifford S.
Robinson John M.
Gibson Guitar Corp.
Isen Forester W.
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