Can you use the JoYo fuzz octave pedal as an octave up pedal by turning down fuzz all the way? - Quora
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simple transformer octave gets overheated - freestompboxes.org
CMOS workshop part 3 - octave down - PARASIT STUDIO
Chase Tone Purple Stardust Hi-Octave Pedal - tgt11
OC-2 - Thermionic Studios
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simple transformer octave gets overheated - freestompboxes.org
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The Valve Wizard
MXR® POLY BLUE OCTAVE
Screamer Octave - an octave up pedal made from available parts!
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The Valve Wizard
