Yamaha
YAMAHA: OD-10MII Overdrive
Like Tube Screamer overdrive, but hate the Tube Screamer mid bump and lo-cut? Then the Yamaha OD-10MII Overdrive might be just the thing for you. Schematic at Aion YAMAHA OD-10MII OVERDRIVE – VERO LAYOUT v2 corrected VIDEO DEMO
Yamaha AMD-100 American Monster Drive
Pretty cool design; a Rat and a Tubescreamer in one box with a “Contour” control that looks like the Mid control in Wampler Triple Wreck… …and the requested schematic.
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 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!