High output loudspeaker system

Details High output loudspeaker system High output loudspeaker system

1986-02-26

1990-05-08

Fuller, Benjamin R.

Acoustics

Plural diaphragm sound sources

181145, 181147, 181150, 181152, 181155, 181156, 181199, H05K 500

Patent

active

049230310

ABSTRACT:
A loudspeaker with a pair of speaker units and a manifold chamber between the speaker units for combining the sound from both speaker units. The manifold chamber is formed by walls having an exit opening and a pair of rectangular apertures, the apertures confronting each other on opposite sides of the chamber and the exit opening being disposed normal to a plane centrally between the apertures, and the apertures and exit opening having parallel axes of elongation. One of the speaker units is coupled to each of the apertures to direct sound into the manifold chamber, and the manifold chamber is provided with a wedge confronting the apertures to direct sound parallel to the central plane between the apertures toward the exit opening. In one construction, a horn is coupled to the exit opening to conduct sound from the manifold chamber. Also in that construction, each of the speaker units has a vibratile cone confronting the apertures to which it is coupled and the cone is disposed in an enclosure provided with a bass reflex port.
In another construction, four speaker units with vibratile cones are coupled to four apertures in walls forming a single manifold chamber with a single exit opening.
In still another construction, a compression driver is coupled to each of the apertures through a transition section of the driver.

REFERENCES:
patent: 3898384 (1975-08-01), Goeckel
patent: 4215761 (1980-08-01), Andrews
patent: 4437540 (1984-03-01), Murakami et al.
patent: 4629029 (1986-12-01), Gunness

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