the thing is, when knob “sustain” on cs-3 is turned all way to the left, it doesn’t produce any hum (mine is japanese btw, not from taiwan), so i don’t feel uncomfortable with the sound when comp and drive are both turned on)

who can answer is the pedal analog? couse i can’t see the info anywhere

a little bit modest board. though those all are very useful. hard workers if you want to know)
and btw it’s my grndmother’s case made in 1982, yeah)