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Amazon.com: MXR M225 Sub Machine Octave Fuzz/Octave Guitar Effects Pedal with Independently Switchable Octave Up Effect and Parallel Serial Switch for Octave Down Fuzz Processing with 2 Path Cable : Musical Instruments
Best octave pedal for electric cello: Electro Harmonix Micro POG vs. tc electronic Sub 'n' Up | The Wong Janice - Ambient Cello Meditation Music
![Here's a very cool synthy sounding octave down / up invented by Slacker (the creator of The Echobase). Origin… | Diy guitar pedal, Guitar pedals, Electronics basics Here's a very cool synthy sounding octave down / up invented by Slacker (the creator of The Echobase). Origin… | Diy guitar pedal, Guitar pedals, Electronics basics](https://i.pinimg.com/originals/3c/c4/dd/3cc4ddf35dbf3e537ab787503442ecad.gif)