Assertion: expression pedal | /r/HasProperty | passive devices
Facets:
value: typically
type: DEGREE
Source sentences:
text: Expression pedals are typically passive devices that require no power of their own, with the control voltage being generated by the equipment they are connected to.
text: As previously mentioned, most expression pedals are passive devices and employ a mechanical means of converting the linear movement of the rocker to the rotational forces required to turn the potentiometer.