Monitor ampliphones

Details Monitor ampliphones Monitor ampliphones

H - Electricity

04

R

179/9

H04R 5/033 (2006.01)

Patent

CA 1132460

MONITOR AMPLIPHONES ABSTRACT An improved quadraphonic headphone arrangement in which a first audio signal is coupled to a speaker in each headphone and a second audio signal, usually monaural, is coupled to an amplifier and thence to a second speaker in each headphone. Switching means are also provided so that the second speakers may be connected directly to the second audio source without amplification. The headphone is used as a musician's practice aid or for track-making or similar purposes. A pre- recorded signal is coupled to the first speakers while the musician's electronic instrument output is coupled through the amplifier to the second set of speakers. -1-

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