Acoustics – Plural diaphragm sound sources
Patent
1984-03-02
1986-07-08
Hix, L. T.
Acoustics
Plural diaphragm sound sources
181155, H05K 500
Patent
active
045987890
ABSTRACT:
High fidelity combination of low-bulk bass signal reproducer with novel upper range reproducer. Bass reproducer is box whose height, width and depth are each between about 15 and about 21 inches, the bottom of the box being essentially open and fitted with spaced feet on which the box can stand on a pile rug without materially blocking the emergence of sound generated within the box, the top and all sides of the box being essentially imperforate essentially rigid walls which essentially do not transmit sound, and a woofer sound generator mounted within the box. The box can have a generally vertically extending partition that forms a generally vertically extending open-bottomed compartment between 1 and 2 inches thick connected as a duct to conduct and discharge the lowest frequency sounds generated by the woofer. Upper range reproducer has a face panel holding at least one outwardly facing sound generator, and a speaker grill covering the face panel, the improvement according to which the grill is mounted on a peripheral frame that encircles the panel and is closely fitted around the panel so that it can be slidably installed over the panel and slidably removed from the panel. The face panel can be spaced from a back panel with cross-over and/or compensation network secured in that space, and back panel can be recessed to receive fuses and make circuit components available.
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Brown Brian W.
Hix L. T,.
Temporal Dynamics Research, Inc.
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