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What expression pedals work best with the Pi-Phase mk2?

An expression pedal with an internal linear 10k pot is recommended, some examples of which are:

  • Dunlop DV3 volume / expression pedal
  • Boss EV5/EV7 expression pedal
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Is there a power supply included with the Pi-phase or Infinitphase?

Unfortunately it's not practical to stock the appropriate AC power supply for each country, and even if this was possible then shipping the power supply with the pedal would add significantly to the cost because of the extra weight. You will need to source your own power supply if you purchase either of these pedals.

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How close a reproduction is the Pi-Phase mk2 compared to the original Mu-Tron Bi-Phase?

We believe that the Pi-Phase mk2 is as close a reproduction of the original pedal as it's possible to achieve in the modern day. By reference to the original schematics, and with knowledge draw from ownership and use of two Bi-Phases (and a Mu-Tron Phasor II), it was possible to design a more compact version of the original. It was decided to incorporate the foot-switching directly into the pedal itself so the Pi-Phase mk2 would be usable on it's own with no need for external devices / pedal-pedal switches.

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Are there some trimpots internal to the Piphase mk2 I can adjust?

Yes - in fact there are 10 trim-pots that allow various parameters to be adjusted. However, it is highly recommended that you don't go adjusting these trim-pots without guidance! Doing so without knowing what you are doing can mess with the calibration of your pedal.

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What are the power supply requirements for the Piphase mk2?

The Piphase mk2 requires a 16VAC (that's AC, *not* DC!) power supply with a 2.1mm barrel plug connector. We recommend the Peavey 16.5VAC / 1100ma power supply, Peavey part number 70900660, or the current item is here.

Please be sure to use the correct AC power supply with your Piphase mk2, as connecting the incorrect power supply will damage your pedal and void your warranty!

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