Bass-reflex type speaker system

Details Bass-reflex type speaker system Bass-reflex type speaker system

1982-03-12

1983-11-08

Fuller, Benjamin R.

Acoustics

Diaphragm and enclosure

Reflex baffle

181199, H05K 500

Patent

active

044137036

ABSTRACT:
A bass-reflex type speaker system having a cabinet including a front baffle board, a back panel and two side panels and a speaker mounted on the front panel. A port is disposed in either the back panel or in one of the side panels and a duct is in communication with the port. The back panel may be flat or have a generally triangular cross-sectional configuration where the apex of the triangle is directed toward the speaker. Further, the speaker may be positioned in the approximate center of the front baffle board and the port positioned at the apex of the back panel. A beam may be provided extending across and spaced from the port, the beam having a triangular shaped tip directed toward and spaced from the port.

REFERENCES:
patent: 2757751 (1956-08-01), Tavaoes
patent: 3952159 (1976-04-01), Schokk
patent: 4196792 (1980-04-01), Grieves
patent: 4200170 (1980-04-01), Williams, Jr.

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