Hemispherically wide-radiating-angle loudspeaker system

Details Hemispherically wide-radiating-angle loudspeaker system Hemispherically wide-radiating-angle loudspeaker system

1991-06-12

1993-12-07

Gellner, Michael L.

Acoustics

Plural diaphragm sound sources

181152, 181153, 181155, 181199, H05K 500

Patent

active

052685381

ABSTRACT:
A loudspeaker system having the ability to uniformly direct high-frequency as well as low-frequency sound hemispherically is described. The acoustical centers of a low-frequency and a high-frequency driver are aligned in space to provide a common source of sound to be directed through a common sound-guiding structure. The high-frequency sound is guided by the formation of an acoustical horn between the spherical mounting structure of the low-frequency driver and the reflector generally employed in reflecting and diffracting low-frequency sounds. One side of the acoustical horn has an acoustic path length smaller than the other, forcing sound to further diffract upon passage from the horn.

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