Harp Attack Power:18v Power Adapter (US only) You can certainly tell there

You can certainly tell there is a tube inside of this pedal

The Harp Tone+ does not eliminate feedback

Jason Ricci and he approved

and the bypass is a true bypass

Harp Attack Power:18v Power Adapter (US only) You can certainly tell thereThe preferred choice of Charlie Musselwhite when he cannot bring his amp, the Harp Attack is a very popular pedal for the tube distortion that harp players love. The tone is provided by a sub miniature tube providing rich harmonics and smooth tube overdrive. ABOUT The Harp Attack is designed to provide true power tube distortion in a pedal. This pedal is not your typical tube preamp that uses a triode; this pedal uses a subminiature beam power tube,