Distortion control circuit

Details Distortion control circuit Distortion control circuit

1974-08-15

1976-08-10

Weldon, Ulysses

Music

Instruments

84 121, 84 112, 84 111, 84 119, G10H 102

Patent

active

039734617

ABSTRACT:
A selective distortion control circuit for an electrical musical instrument employs a cathode or emitter follower valve having a load resistance that is selectively changed to provide either a clean or distorted output signal. The mutually in-phase clean input and distorted output of the valve are connected to opposite sides of a potentiometer of which the wiper provides a selectively proportioned mixture of clean and distorted signals. The relative amount of distortion may be selected, and once selected, the operator may readily choose between clean and distorted sound by changing the load resistance.

REFERENCES:
patent: 2230836 (1941-02-01), Hammond
patent: 2523294 (1950-09-01), Hallmark
patent: 3389344 (1968-06-01), Fichtner
patent: 3418590 (1968-12-01), Rongen et al.
patent: 3530224 (1970-09-01), Plunkett et al.
patent: 3553338 (1971-01-01), Holman
patent: 3565996 (1971-02-01), Suzuki
patent: 3609205 (1971-09-01), Schwartz
patent: 3644657 (1972-02-01), Miller
patent: 3719782 (1973-03-01), Barnum
patent: 3825850 (1974-07-01), Meri
J. D. Ryder, "Electronic Fundamentals and Applications" pp. 223 & 260-265, Prentice-Hall, Inc., Englewood Cliffs, N.J., 1965.

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