Coaxial loudspeaker system

Details Coaxial loudspeaker system Coaxial loudspeaker system

1979-07-16

1981-08-11

Hix, L. T.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

179116, 181144, 181166, 181184, H04R 700, H04R 906

Patent

active

042836069

ABSTRACT:
The present invention is an acoustic filter for use in combination with a coaxial loudspeaker system which includes a low frequency loudspeaker and a high frequency speaker which is axially aligned with the low frequency loudspeaker. The acoustic filter includes a pair of parallel, perforated sheets which are separated from each other a suitable distance and which are joined together at their peripheries in any appropriate manner so that they enclose an airspace therebetween in order to form a single section filter. The acoustic filter is disposed between the low frequency loudspeaker and the high frequency loudspeaker so the acoustic filter inhibits the high frequency sounds of the high frequency loudspeaker from interacting with the internal sidewall of the conically shaped diaphragm of the low frequency loudspeaker.

REFERENCES:
patent: 2067582 (1937-01-01), Sperling
patent: 2295527 (1942-09-01), Bowley
patent: 2656004 (1953-10-01), Olson
patent: 2822884 (1958-02-01), Simpson
patent: 2840178 (1958-06-01), Boleslav
patent: 2866514 (1958-12-01), Weathers
patent: 3284581 (1966-11-01), Fender
patent: 4182429 (1980-01-01), Senzaki

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