The jacks labeled 'L' 'B' 'H' are probably 'Lowpass', 'Bandpass', 'Hipass'.
Below that is a knob labeled 'Q' and under that is 'Fre'. The bottom
knob 'In' is probably an input level control.
Sure sounds like a filter to me.
Below that is a knob labeled 'Q' and under that is 'Fre'. The bottom
knob 'In' is probably an input level control.
Sure sounds like a filter to me.