Can you use the JoYo fuzz octave pedal as an octave up pedal by turning down fuzz all the way? - Quora
Schematic help: interpret this OpAmp symbol : r/diypedals
CMOS workshop part 3 - octave down - PARASIT STUDIO
Octaver using a step up transformer.
Guitar FX Layouts: Fuzzhugger Phantom Octave
Here's a very cool synthy sounding octave down / up invented by Slacker (the creator of The Echobase). Original t… | Guitar pedals, Diy guitar pedal, Diy guitar amp