Spherical loudspeaker enclosure

Details Spherical loudspeaker enclosure Spherical loudspeaker enclosure

1979-12-26

1981-08-04

Hix, L. T.

Acoustics

Diaphragm and enclosure

With sound-absorbing means

181153, 181199, 181DIG1, H05K 500

Patent

active

042817382

ABSTRACT:
A loudspeaker enclosure of the acoustic suspension type has a hollow interior of a generally spherical shape, and the enclosure is formed of polyurethane foamed plastic in which the volume (V) of the enclosure interior is determined according to the following empirical formula:

REFERENCES:
patent: 2096192 (1937-10-01), Moore
patent: 2138717 (1938-11-01), Volk
patent: 2775309 (1956-12-01), Villehur
patent: 2881850 (1959-04-01), Bonn
patent: 3026955 (1962-03-01), Wilber
patent: 3026956 (1962-03-01), Wilber
patent: 3192322 (1965-06-01), Leslie
patent: 3275100 (1966-09-01), Dunning
patent: 3500953 (1970-03-01), Lahti
patent: 3720285 (1973-03-01), Russell et al.
patent: 3812301 (1974-05-01), Lahti
patent: 3819005 (1974-06-01), Westlund
patent: 4057689 (1977-11-01), Stallings, Jr.

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