Controls for musical instrument sustainers

摘要: A sustainer is provided for prolonging the vibrations of strings a stringed musical instrument. The instrument has at least one magnetic pickup means responsive to strings. produces an output signal in response At control potentiometer provides capability parameter signal. comprises string driver transducer capable inducing strings, amplifier having input which accepts signal, and circuit amplifies form drive also output, from transfers sufficient energy sustain power supply electrical amplifier. switch connection disconnection between actuation order turn on off. integral part potentiometer, where two are physical combination. Both actuated by shaft potentiometer. Furthermore, appearance as part, when viewed outside instrument, similar that containing without being present