Here's a very cool synthy sounding octave down / up invented by Slacker (the creator of The Echobase). Origi… | Diy guitar amp, Electronics basics, Diy guitar pedal
The Valve Wizard
Octave Master
The Valve Wizard
Experimentalists Anonymous DIY Archives
The Valve Wizard
Looking for a Vero schematic for an octave up+down : diypedals