Loudspeaker assembly

Details Loudspeaker assembly Loudspeaker assembly

1978-04-24

1980-09-23

Hix, L. T.

Acoustics

Plural diaphragm sound sources

Three diaphragms

181153, 181199, H05K 500

Patent

active

042237602

ABSTRACT:
An improved loudspeaker assembly wherein one or more speakers are mounted in a closed cylindrical housing of air impervious material. When a plurality of speakers are utilized in an assembly, they are vertically spaced, with the central axis of each speaker contained in a respective radial plane and with adjacent radial planes having an included angle typically within the range of 15.degree. to 25.degree.. A preferred material for the cylindrical housing is laminated fibreboard.

REFERENCES:
patent: D215449 (1969-09-01), Kaminski
patent: D220629 (1971-05-01), Shimizu
patent: D228920 (1973-10-01), Iida
patent: D230997 (1974-03-01), Shannon
patent: 3443660 (1969-05-01), Virva et al.
patent: 3637039 (1972-01-01), Raichel et al.
patent: 3812301 (1974-05-01), Lahti
patent: 3818138 (1974-06-01), Sperrazza, Jr.
patent: 3894612 (1975-07-01), Maeda et al.
patent: 3978941 (1976-09-01), Siebert
Olson, Harry F., "Direct Radiator Loudspeaker Enclosures", Audio Engineering, vol. 35, Issue 11, 11-1951, pp. 34, 36, 38, 59-64.

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