Prophecysound Systems PI-Phase MK2 review

A classic returns

  • £429
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MusicRadar Verdict

The ultimate analogue phaser reborn; cheaper than a vintage unit without the maintenance!

Pros

  • +

    Fantastic performance.

Cons

  • -

    Very few.

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Prophecysound Systems' pedal aims to be an accurate recreation of the Mu-Tron Bi-Phase by using as many of the same components as the original.

While it's much smaller, it manages to provide the same control layout, ergonomically laid out for a logical workflow.

The two individually switchable phasers can be used separately or combined for mono (series) or stereo operation. Each phaser has Rate, Depth and Feedback knobs and the option of sine or square wave modulation for its own sweep-generating LFO.

If you don't want two phasers running together at different speeds, a single LFO can be used to synchronise the sweeps of both.

A standard expression pedal can be used to alter the sweep rate of the first LFO or to manually sweep either phaser, wah-style. All that control makes for an incredibly nuanced range of excellent-quality phasing sounds.

Trevor Curwen

Trevor Curwen has played guitar for several decades – he's also mimed it on the UK's Top of the Pops. Much of his working life, though, has been spent behind the mixing desk, during which time he has built up a solid collection of the guitars, amps and pedals needed to cover just about any studio session. He writes pedal reviews for Guitarist and has contributed to Total Guitar, MusicRadar and Future Music among others.