Apparatus for producing bass sounds in electric musical instruments wherein contrabass voice can be obtained by special switch and circuit
United States Patent 3170020

Inventors:
Michio, Kondo
Publication Date:
02/16/1965
View Patent Images:
Assignee:
NIHON GAKKI SEIZO KABUSHIKI KA
Primary Class:
Other Classes:
984/322, 84/702
International Classes:
G10H1/057