Electro-Harmonix Pitch Fork Polyphonic Pitch Shifter Pedal Brand_Planet Waves  Takes a 9v power

  Takes a 9v power supply

This problem can be solved by inverting the phase of the delay sound

but prolong your string life

Unrivaled Vocal and Guitar Effects Performance Floor Pedal with Backing Tracks

Figure 8 Frequency Chart

Electro-Harmonix Pitch Fork Polyphonic Pitch Shifter Pedal Brand_Planet Waves  Takes a 9v powerPITCH FORK POLYPHONIC PITCH SHIFTER Powerful pitch shifting over + 3 octaves with Dual mode and optional expression control! The EHX Pitch Fork transposes an instruments pitch over a + three octave range and features three modes which allow the pitch to be transposed up, down or both, simultaneously. The pitch shift amount can be set to a fixed interval or continuously varied by an expression pedal or control voltage. The controls are straightforward