Acoustical equalization device system

Details Acoustical equalization device system Acoustical equalization device system

1993-03-03

1993-10-05

Gellner, Michael L.

Acoustics

Diaphragm and enclosure

Reflector baffle

181295, 181 30, H05K 500

Patent

active

052507637

ABSTRACT:
An acoustical equalization device is designed to be attached to the front of a stereo speaker and includes a plurality of moveable baffles which may be used to either reflect or absorb sound waves being emitted from the speaker. The baffles can be slidably positioned along a plurality of rods forming a part of the device and may be pivoted into a desired sound adjusting position. Modified baffles include through-extending apertures into which sound modifying cones may be removably positioned, while the cones may be provided with pivotal closures to further affect sound quality. The device is used as an aid in equalizing a sound system so as to obtain the best audio response curve without the use of electronic equalization systems.

REFERENCES:
patent: 2656004 (1953-10-01), Olson
patent: 3382947 (1968-05-01), Biggs
patent: 3862366 (1975-01-01), Huszty et al.
patent: 4682670 (1987-07-01), Lerner et al.
patent: 4701951 (1987-10-01), Kash
patent: 5031220 (1991-07-01), Takagi

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