Loudspeaker

Details Loudspeaker Loudspeaker

1977-05-25

1978-12-19

Tomsky, Stephen J.

Acoustics

Plural diaphragm sound sources

With sound-asborbing means

181147, 181151, 181154, 181155, 181199, H05K 500, A47B 8106

Patent

active

041301749

ABSTRACT:
A loudspeaker having precise imaging, neutrality of frequency response, and controlled mid-range and tweeter dispersion. The loudspeaker incorporates an open cell, reticulated polyurethane cartridge for placement of a supertweeter mounted in the loudspeaker at an angle of 45.degree. from other speaker axes. The housing therefore may be positioned so as to adjust the high frequency acoustic radiation to the right or the left of the loudspeaker frontal axis, thus making a mirror image pair of the loudspeakers possible. In addition, angled corner posts are arranged at the front corners of the loudspeaker in order to reflect back into the loudspeaker mid-range and high frequency sounds that strike the posts.

REFERENCES:
patent: 3138667 (1964-06-01), Avedon
patent: 3424873 (1969-01-01), Walsh
patent: 3720285 (1973-03-01), Russell et al.
patent: 3867996 (1975-02-01), Lou
patent: 3976848 (1976-08-01), Estes
patent: 3982607 (1976-09-01), Evans

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