Speaker system

Details Speaker system Speaker system

1978-09-12

1980-07-22

Hix, L. T.

Acoustics

Plural diaphragm sound sources

Plural chambers

181146, 181151, 181156, 181199, H05K 500

Patent

active

042135150

ABSTRACT:
A speaker system comprises an enclosure and at least one speaker mounted therein. The enclosure includes at least one duct connecting the interior of the enclosure directly with the outer air at the front thereof. Each duct is confined at least at one side by a member extending substantially normal to and running substantially the width of the front of the enclosure. The member has its front and/or rear edge rounded so that the cross-sectional dimension of the opening of the duct at the respective edge is greater than that of the central section of the duct.

REFERENCES:
patent: 3729061 (1973-04-01), Tamura
patent: 3892288 (1975-07-01), Klayman et al.
Publication "Vented Loudspeaker" by C. T. Chapman p. 398 Wireless World, Oct. 1949.
Publication "Loudspeakers in Vented Boxes" by A. N. Thiele p. 391 Journal of the Audio Engineering Society, May 1971 vol. 19, No. 5.

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