Musical instrument sound quality enhancement device

Details Musical instrument sound quality enhancement device Musical instrument sound quality enhancement device

1985-07-15

1986-12-30

Witkowski, S. J.

Music

Instruments

84267, 84290, 84453, G10D 108, G10G 700, G10H 318

Patent

active

046320032

ABSTRACT:
A musical instrument sound quality enhancement device comprised of a circular shaped planer sound hole cover adapted by opposingly positioned underside sets of spaced angularly outward and downward projecting pliable affixment fingers to thereby enable insertably installed occlusive attachment of the cover within the circular shaped sound hole opening of a guitar, banjo, ukulele, dulcimer or any similar such stringed instrument the use of which eliminates feedback interference otherwise common to an amplifier equipped instrument of the type described, or with a ported variably occlusive sound hole cover version thereof not only accomplish amplifier feedback interference elimination when employed in a port fully closed configuration but when employed in a port variably set occlusive sound hole cover partially open configuration alternately effect instrumental tonal variations.

REFERENCES:
patent: 3636809 (1972-01-01), Ezaki
patent: 4024788 (1977-05-01), Dunlap
patent: 4394830 (1983-07-01), Damiano

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