Audio amplifier limiting for a remote power amplifier

Details Audio amplifier limiting for a remote power amplifier Audio amplifier limiting for a remote power amplifier

1989-12-21

1991-03-19

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including gain control means

330310, H03G 330

Patent

active

050014404

ABSTRACT:
An audio system having a main chassis including an audio preamplifier and a remote chassis including a power amplifier has a clipping level detector circuit in the remote chassis for detecting the onset of clipping by the power amplifier and has a gain control element in the main chassis for controlling the gain of the preamplifier. Thus, clipping distortion is eliminated without introduction of other distortion and while preserving the spectral balance of the audio signal.

REFERENCES:
patent: 3891933 (1975-06-01), Suzuki et al.
patent: 4048573 (1977-09-01), Evans et al.
patent: 4233566 (1980-11-01), Nestorovic
patent: 4318053 (1982-03-01), Sondermeyer
patent: 4581589 (1986-04-01), Ikoma
patent: 4724396 (1988-02-01), Taylor, Jr. et al.
patent: 4746876 (1988-05-01), Sibiga
patent: 4786879 (1988-11-01), Dolby
patent: 4797633 (1989-01-01), Humphrey

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