Electro-Harmonix Stereo Polyphase

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(1 customer review)

The Stereo Polyphase analog optical envelope and LFO phase shifter gives you cascading stereo phase shifts that are out of this world. This Electro-Harmonix XO unit uses optocouplers for a smooth, liquid tone and features selectable LFO and envelope follower modes. Tone sculpting is made easy by user-defined start and stop ranges as well as a feedback resonance control switch, plus the Stereo Polyphase’s optical circuitry makes it very responsive to most hot instruments, including keyboards.

Brand: Electro-Harmonix


  • Switches the effect between a phaser with an adjustable speed automatic sweep, and a phaser with an envelope-driven sweep mode
  • Controls the phaser feedback/resonance rate
  • Controls the sensitivity of the effect to the input signal
  • Controls the depth of the envelope-controlled sweeps
  • Controls the speed of the LFO

Publisher: New Sensor

Release Date: 30-06-2008

Details: Experience cascading sweeps and gorgeous, panoramic imaging through stereo outputs. User defined start and stop ranges allow you to sculpt phase shifting to fit your sound. Optical circuitry provides a wide dynamic range making the Polyphase ideal for hot output instruments, like keyboards. Switch selectable LFO, envelope follower and expression pedal control. Generate liquid stereo phase shifting at its finest. Includes 24DC-100 power supply.

UPC: 683274010632

EAN: 683274010632

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Based on 1 review

5.0 overall

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  1. Bert

    Polyphase is hands down the best-sounding phaser I’ve ever owned. I just can’t seem to get enough of its smooth, liquid, tactile character.