Bass sound projection systems

Details Bass sound projection systems Bass sound projection systems

1978-11-02

1980-08-05

Hix, L. T.

Acoustics

Diaphragm and enclosure

With horn

181156, 181160, 181199, H05K 500

Patent

active

042157617

ABSTRACT:
A bass sound projection system comprises a cabinet containing at least one bass loudspeaker operating into a sound channel. The sound channel converges forwardly, relative to the direction of propagation of sound waves, of the loudspeaker to a throat and then diverges forwardly, relative to the direction of propagation of sound waves, of the throat to an acoustically open front end of the cabinet. The system may include a further bass loudspeaker and sound channel arranged as a mirror image of the first bass loudspeaker and sound channel, and the or each sound channel may be folded.

REFERENCES:
patent: 1878088 (1932-09-01), Zwikker
patent: 1901388 (1933-03-01), Wolff
patent: 1943499 (1934-01-01), Williams
patent: 2759553 (1956-08-01), Bosley
patent: 2819772 (1958-01-01), Bryan
patent: 2900040 (1959-08-01), Novak
patent: 3065816 (1962-11-01), Ranger
patent: 4138594 (1979-02-01), Klipsch

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