Adjustable speaker cabinet

Details Adjustable speaker cabinet Adjustable speaker cabinet

1976-11-22

1979-03-06

Tomsky, Stephen J.

Acoustics

Diaphragm and enclosure

181155, 181156, 181160, 181163, 181199, G10K 1300, H05K 500

Patent

active

041426037

ABSTRACT:
A cabinet for improving the sound output of an amplifier, the cabinet being in the form of an upright rectangular housing with a horizontal partition dividing the interior into an upper and lower portion, the partition having a speaker opening and a baffle opening, a speaker being mounted in the speaker opening for upward projection of the sound into the housing upper portion, the speaker being connected to the amplifier, a sounding board within the housing upper portion inclined at an angle from the housing rear upwardly towards the housing front, a sheet of metal affixed to the horizontal partition and covering the baffle opening, the vibration of the speaker serving to drive the metal baffle by condensations and rarefaction of the sound waves to either side of the horizontal partition so that the metal baffle functions as a supplemental and complementary sound source.

REFERENCES:
patent: 1988250 (1935-01-01), Olson
patent: 2834423 (1958-05-01), Bradford
patent: 3727719 (1973-04-01), Yando
patent: 3777844 (1973-12-01), Johnson
patent: 3980154 (1976-09-01), Johnson

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