Speaker system

Details Speaker system Speaker system

1997-01-29

1998-03-24

Dang, Khanh

Acoustics

Diaphragm and enclosure

Reflex baffle

181151, 181199, H05K 500

Patent

active

057315531

ABSTRACT:
Attempts to achieve fidelity of sound produced by speaker systems has led to often large, relatively complicated and expensive speaker cabinets, particularly for reproducing sound in the lower acoustic frequencies. A simple solution to the problem is a speaker assembly including a housing divided by a partition into a speaker chamber containing a speaker and a sound outlet chamber. The sound outlet chamber contains a sound outlet box remote from an opening in the partition connecting the speaker chamber to the sound outlet chamber. A sound outlet tube extends through the box and one wall of the housing. The interior of the box and at least a portion of the area around the box are filled with sand or another solid material for eliminating vibration or at least reducing vibration to a minimum.

REFERENCES:
patent: 3978941 (1976-09-01), Seibert
patent: 4790408 (1988-12-01), Adair
patent: 4837837 (1989-06-01), Taddeo
patent: 4953655 (1990-09-01), Furukawa

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