Car-mounted audio equipment

Details Car-mounted audio equipment Car-mounted audio equipment

1980-04-08

1982-01-26

Mullins, James B.

Amplifiers

Hum or noise or distortion bucking introduced into signal...

330124R, 330296, H03F 126, H03F 368

Patent

active

043130909

ABSTRACT:
A car-mounted audio equipment of multiamplifier system including a single preamplifier, a plurality of power amplifiers and the corresponding number of differential amplifiers each connected between an output terminal of the preamplifier and an input terminal of each of the power amplifiers comprises a biasing means for biasing at least one of the ground terminals of the power amplifiers to a potential substantially equal to the ground potential when the one terminal is in an open state.

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