Fluid coupled subwoofer acoustic enclosure system with vent cham

Details Fluid coupled subwoofer acoustic enclosure system with vent cham Fluid coupled subwoofer acoustic enclosure system with vent cham

1998-03-09

1999-08-10

Dang, Khanh

Acoustics

Diaphragm and enclosure

With sound-absorbing means

181156, 181145, H05K 500

Patent

active

059362090

ABSTRACT:
An acoustic enclosure system for a loudspeaker includes a vent chamber adjacent to and spanning at least one chamber assembly. A loudspeaker is mounted in each of the chamber assemblies such that the speakers face away from each other when there are more than one speaker. The vent chamber has a port in a side wall that is open to the outside of the enclosure. Each chamber assembly has a port opening to the vent chamber and contains a fluid chamber with a flexible bladder that is filled with fluid and maintained in the chamber assembly a given distance from the corresponding loudspeaker. Each bladder contacts the interior surfaces of the side walls that form the fluid chamber. A flexible support is provided underneath each bladder so that the bladder is substantially maintained a specified distance from the wall supporting the speaker.

REFERENCES:
patent: 5281777 (1994-01-01), Alton, Jr.

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