Low frequency speaker enclosure

Details Low frequency speaker enclosure Low frequency speaker enclosure

1985-04-02

1986-06-03

Hix, L. T.

Acoustics

Diaphragm and enclosure

With sound-absorbing means

181152, 181199, H05K 500

Patent

active

045924449

ABSTRACT:
This invention relates to low-frequency speaker enclosures in general, and more specifically to dual cabinet construction, wherein each of the cabinet structures contains a portion of a pre-formed generally semi-circular variable diameter horn passageway, surrounded by contoured foam elements that provide sound insulation for the horn passageway wherein the pre-formed horn passageway produces redirection and amplification of rear-cone sound wave energy, through the forward face of the combined cabinet construction.

REFERENCES:
patent: 2975852 (1961-03-01), Chave
patent: 3443660 (1969-05-01), Virca et al.
patent: 3867996 (1975-02-01), Lou
patent: 3909531 (1975-09-01), Plummer
patent: 3962544 (1976-06-01), Kobayashi
patent: 3982607 (1976-09-01), Evans
patent: 4057689 (1977-11-01), Stallings, Jr.
patent: 4213008 (1980-07-01), Helfrich
patent: 4213515 (1980-07-01), Laupman
patent: 4325454 (1982-04-01), Humprey

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