Loudspeaker and amplifier protection circuit

Details Loudspeaker and amplifier protection circuit Loudspeaker and amplifier protection circuit

1975-06-16

1976-05-25

Mullins, James B.

Amplifiers

Miscellaneous

Amplifier protection means

179 1A, 179 1SW, H03F 2100

Patent

active

039597350

ABSTRACT:
In a signal receiver having a potential source and an amplifier stage connected to a loudspeaker, a loudspeaker and amplifier protection circuit includes a normally closed switch coupling the potential source to the amplifier stage and a protection circuit coupled to the output of the amplifier stage and responsive to positive or negative polarity DC potentials for activating the switch to disconnect the power supply from the amplifier stage.

REFERENCES:
patent: 3365675 (1968-01-01), Gaddy et al.

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