Yamaha OD-10MII Overdrive
An obscure old japanese ovedrive circuit that looks like your worst 80’s metal pedal. But the reputation is pretty good and it has its small fanbase. And it is not a YATS.
Yamaha
Yamaha DI-01 Distortion
This is currently on hold till I figure out the tone control issue or someone can shed more light on this circuit. Build at your own risk. I stumbled across the schematic for this effect and thought it was another variation of the Marshall Bluesbreaker circuit. But realized it actually predates the Marshall circuit by several … Read more
Korg CMP-1 / Yamaha CO-01 Compressor
Here is a layout for a vintage compressor. Schematic is available on FSB forum here. Couldn’t find any good videos around. It has been drawn to fit any common NPN trarnsistor but if you go for the original mind the pinout!