Octaver using a step up transformer.
BricoTahe Octave & Fuzz Kit | Effect Pedal Kits
Request: Boss OC-2 Octaver - SabroTone
simple transformer octave gets overheated - freestompboxes.org
CMOS Workshop Part 4: octave up - PARASIT STUDIO
Octave Up Pedal : 15 Steps (with Pictures) - Instructables
DIY Octave Down Pedal (Part 1) - YouTube
octave up sick box fuzz | Diy guitar pedal, Guitar pedals, Electronics basics
Simple Octave Up Breadboard. (The playing is not important) - YouTube
Prescription Electronics Clean Octave Blend - SabroTone
Simple Octave UP: Guitar effects pedals schematics | Guitar effects pedals, Guitar effects, Guitar gadgets
Tentacle Analog Octave Up — EarthQuaker Devices
ilovefuzz.com • View topic - Passive Octaver
The Valve Wizard
Schematics
Mu-Tron Octave Divider – Catalinbread Effects
Octavio and Octave up Theory
Octave Fuzz Pedal – Guitar Effects Unit | Electronic Schematic Diagram
Pushme Pullyou | DIY Music & electronics | ...
Pedal effect circuit design: getting started - EDN
Screamer Octave - an octave up pedal made from available parts!
MXR Blue Box Octave - Fuzz - Share Project - PCBWay
