CAMBRIDGE

AMPLIFIERS FOR MUSICAL INSTRUMENTS AND PARTS THEREOF NAMELY MUSICAL APPARATUS THROUGH WHICH AUDIO SIGNAL PRODUCED FROM MUSICAL INSTRUMENTS IS AMPLIFIED AND ITS TONE QUALITY IS IMPROVED

Electronic synthesizers, electronic pianos, electronic organs, electronic tuners, electronic guitars and rhythm machines, namely, automatic repetitive rhythm instruments for use in association with musical instruments for producing various selectable rhythm sound combinations in tempo with the musical instruments and selection being played