Controlled dispersion speaker configuration

Details Controlled dispersion speaker configuration Controlled dispersion speaker configuration

1982-04-29

1984-03-20

Fuller, Benjamin R.

Acoustics

Diaphragm and enclosure

With sound-absorbing means

181199, H05K 500

Patent

active

044375417

ABSTRACT:
A controlled dispersion loudspeaker configuration is disclosed in which a loudspeaker is mounted through a hole in a front baffle forming a seal between the speaker and the baffle. A rear baffle is parallely spaced a predetermined distance away from the front baffle by means of spacers. Acoustically absorptive material is placed between the two baffles and is acoustically open on at least two opposite sides. The sound waves from the rear of the speaker exit from the acoustic material and serve to cancel the sound waves at the sides and rear of the loudspeaker configuration eminating from the front of the speaker. The size of the baffles, as well as the spacing therebetween, bears a particular relationship to the frequency of the sound to be reproduced by the loudspeaker.

REFERENCES:
patent: 3160225 (1964-12-01), Sechrist

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