Acoustics – Plural diaphragm sound sources
Patent
1992-06-25
1993-11-30
Gellner, Michael L.
Acoustics
Plural diaphragm sound sources
181148, 181199, H05K 500
Patent
active
052667510
ABSTRACT:
A loudspeaker cabinet cluster comprises a plurality of loudspeaker cabinets which are pivotally connected with each other to adjust their splay angles vertically or horizontally and also to face the baffle boards of the loudspeaker cabinets axially to the desired listener. The single loudspeaker cabinet includes an ordinary audio input for a single channel electrical audio signal. Each loudspeaker cabinet is a hollow quadrangular pyramidal body made of fibrous glass reinforced plastics and a baffle board is fitted integrally into a front opening of the loudspeaker cabinet. The baffle board has a large central opening for accomodating a speaker unit and a plurality of openings at each corner portion formed at a rear top portion thereof, a central opening provided at the flat portion thereof, and connecting metallic frame integrally provided around a front edge portion of the loudspeaker cabinet, the triangular metallic frame having a pair of right angled projections, each projection having a central small opening. A plurality of adjusting plates are mounted at the rear portions of the assembled loudspeaker cabinets, each adjusting piece having a number of small openings provided longitudinally through the adjusting plate at a given interval for allowing intersection of the projection for bridging the opposed rear top portions of the adjacent loudspeakers.
REFERENCES:
patent: 4014597 (1977-03-01), Griffin, Jr.
patent: 4179008 (1979-12-01), LeTourneau
patent: 4190738 (1980-02-01), Samuels
patent: 4757544 (1988-07-01), Guy
Brochure of Martin Audio Limited-"The Revolutionary Martin F2, The World's First Reconfigurable Two-Box System".
Dang Khanh
Gellner Michael L.
Yugen Kaisha Taguchi Seisakucho
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