Loudspeaker system

Details Loudspeaker system Loudspeaker system

1978-12-11

1980-06-17

Hix, L. T.

Acoustics

Plural diaphragm sound sources

Three diaphragms

181163, 181155, 181199, H05K 500

Patent

active

042079632

ABSTRACT:
A compact portable high acoustic power loudspeaker system is described. A plurality of speakers are mounted inside an enclosure which is sealed. A passive radiator is also provided which is symmetrically disposed inside the enclosure relative to the speakers so as to be subjected to a generally uniform acoustic loading. A high compliance radiator is employed by dispensing with a central spider radiator support with a mass selected to obtain a high efficiency and good low frequency response. A foam gasket is used to help seal the enclosure while also serving to disperse high frequency sound and improve acoustic coupling opposite high frequency speakers.

REFERENCES:
patent: 2646851 (1953-07-01), Chapman et al.
patent: 2713396 (1955-07-01), Tavares
patent: 3125181 (1964-03-01), Pawlowski

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