Assertion: tube's tone | /r/HasProperty | middle
Facets:
Source sentences:
text: Turn the gain (top left) knob almost all the way down (maybe on 1) and turn the tone (middle) knob down almost all the way too, and crank up the output volume (top right) to the desired boost level.
text: Turn the gain (top left) knob almost all the way down (maybe on 1) and turn the tone (middle) knob down almost all the way too, and crank up the output volume (top right) to the desired boost level.