Low sound loudspeaker system

Details Low sound loudspeaker system Low sound loudspeaker system

1992-03-06

1993-03-23

Dwyer, James L.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

381 88, 381 89, 381 90, 381154, 181156, 181148, H04R 102, H04R 2500, H05K 500

Patent

active

051971038

ABSTRACT:
A low sound loudspeaker system is constructed of an acoustic pipe extending from the back side of a loudspeaker unit, an air chamber provided at the front side of the loudspeaker unit, and a bass reflex port provided within the air chamber. The acoustic pipe communicates with the air chamber via the aperture of the acoustic pipe.

REFERENCES:
patent: 2224919 (1940-07-01), Olson
patent: 3047090 (1962-07-01), Pruden
patent: 4168761 (1979-09-01), Pappanikolaou
patent: 4628528 (1986-12-01), Bose et al.
patent: 4875546 (1989-10-01), Krnan
Patent Abstracts of Japan, vol. 8, No. 39 (E-228) (1476), Feb. 21, 1984; and JP-A-58019697 (Matsushita K.K.) Nov. 16, 1983.
Radio Shack Cat. No. 62-2309 Entitled "Building Speaker Enclosures" By David B. Weems published in 1984.

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