Harp Octave recommended The Normal setting allows for

The Normal setting allows for a balanced attenuation from low to high frequency while the Dark setting lightly trims the high frequencies more than the low frequencies

9V DC input (barrel a with negative center)

which typically use a 1/4" jack

which makes it distortion-free

those who want to keep their vintage amp original and un-modded

Harp Octave recommended The Normal setting allows forNeed to be heard? Want a unique sound? The Harp Octave cuts through the mix by filling out the mid range, reduces feedback and has a great raspy distortion to boot. ABOUT The Harp Octave is a great tool for the harp player who wants to have diverse sounds. It is a clean octave up generator that adds a great effect for harp. The octave up overtone that the pedal adds manifests itself in the mid range with a rasp that brings out whatever distortion is