Loudspeaker porting

Details Loudspeaker porting Loudspeaker porting

1978-08-31

1979-12-25

Tomsky, Stephen J.

Acoustics

Diaphragm and enclosure

Reflex baffle

181147, 181149, 181199, H05K 500, A47B 8106

Patent

active

041801407

ABSTRACT:
In a loudspeaker system having eight drivers on a baffle, the baffle has two port openings centered in respective squares embracing respective groups of four drivers. A tubular column extender snaps into each port opening and has a snap cap for detachably securing a polyester disk over the opening. A grill formed with two openings for accomodating the column extenders covers the drivers. A grill retainer formed with openings at each end for accomodating the column extenders abuts the grill, and clinch nuts screws on the threaded end of ach column extender to keep the grill retainer against the grill with the grill against the front baffle.

REFERENCES:
patent: 3443660 (1969-05-01), Virva et al.
patent: 3987258 (1976-10-01), Tsutsui et al.
patent: 4071111 (1978-01-01), Croup

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