Dual-chamber multi-channel speaker for surround sound stereo aud

Details Dual-chamber multi-channel speaker for surround sound stereo aud Dual-chamber multi-channel speaker for surround sound stereo aud

1992-04-08

1993-06-22

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Hearing aid

381 90, 381188, 381205, 181145, 181147, H04R 502

Patent

active

052221458

ABSTRACT:
The present invention is a dual-chamber multi-channel speaker for an audio system which has four stereo surround sound channels including a right front channel, a left front channel, a rear surround channel and a center channel. The preferred embodiment of the present invention speaker dual-chamber multi-channel speaker comprises a VCR shaped cabinet having a front chamber and a rear chamber, each being an independently sealed enclosure. A tweeter and two midranges are installed in the front chamber for producing sound effects of the center channel of the audio system. A subwoofer is installed in the rear chamber for producing low frequency sound effects of the right and left front channels. The center channel drivers are front-firing. The subwoofer may be up-firing or down-firing. The present invention dual-chamber multi-channel speaker further comprises a center channel crossover network for connecting the center channel drivers with the center channel of the audio system, and a separate front channels crossover network for connecting the subwoofer with the right and left front channels of the audio system.

REFERENCES:
patent: 2819772 (1958-01-01), Bryan
patent: 2927657 (1960-03-01), Patla et al.
patent: 3115208 (1963-12-01), Smith
patent: 3417203 (1968-12-01), Hafler
patent: 3637938 (1972-01-01), Kuhlow et al.
patent: 3666041 (1972-05-01), Engelhardt
patent: 4815559 (1989-03-01), Shirley

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