Constant distortion volume control

Details Constant distortion volume control Constant distortion volume control

1978-03-03

1979-03-06

Cooper, William C.

H03G 900

Patent

active

041432452

ABSTRACT:
A device for maintaining a constant distortion output from a musical instrument amplifier over a volume range of the musical system. The amplifier is set at a predesired volume setting and volume control is provided by a potentiometer control interposed between the output of the amplifier which may, for example, be a guitar amplifier, and the loudspeaker. The potentiometer is connected so that one end is in series with the speaker providing the primary means for controlling volume while the other end is in parallel with the speaker. Because the load that the amplifier sees is a function of both the speaker impedance and the potentiometer setting, there is a calibration scale associated with the control dial of the potentiometer so that the amplifier output impedance can be matched to the impedance of the speaker being used.

REFERENCES:
H. Tremain, The Audio Cyclopedia, H. Sams Co., 1969, pp. 1136, 1144.

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