Pickup amplifier system for public address system

Electrical audio signal processing systems and devices – Sound effects

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Details

381 62, 381 91, 381 96, 381122, H03G 300

Patent

active

059265540

ABSTRACT:
A pickup amplifier system for a public address system including an amplifier, an amplifier box and a speaker simulator microphone wired between amplifier and amplifier box.
The amplifier system is characterized by the following features:

REFERENCES:
patent: 2830118 (1958-04-01), Kohler
patent: 3023274 (1962-02-01), Shaw
patent: 3126450 (1964-03-01), Neil
patent: 3443031 (1969-05-01), Bolick
patent: 3848944 (1974-11-01), Gilmer
patent: 4166926 (1979-09-01), Sieler
patent: 4437189 (1984-03-01), Newman
patent: 4592088 (1986-05-01), Shimada
patent: 5649015 (1997-07-01), Paddock et al.

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