Fender Opto Coupler

[Shawnobi]

I need an Optocoupler for the tremolo in my Bandmaster based build. Figure I just make one myself rather than get one posted from the US.
Does anyone...

[moegreen77]

Recently picked up a Fender Super 210 (Red knob, late 80's/early 90's). The clean channel (vol 1) sounds and operates fine but when switched to the drive...