MXR M-80 schematic?

[runmikeyrun]

I'm going to try to squeeze some more gain out of this sucker... anyone have a schematic? Google and forum searches are of no luck.

PM or email if you do- smellymonkeybutt At hotmail doT com

Thanks!

 

[the low one]

There's some info here along with a graph of what the color button does:
Invalid Link Removed

 

[mayoayox]

There's some info here along with a graph of what the color button does:
Invalid Link Removed

dead link