Erica Synths Introduces Black K-Phaser, Based on a Classic, Genre Defining FX unit: the Krautrock Phaser

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Inspired by the phaser effects unit popularized on German records from the 1970’s by Tangerine Dream, among others…

While retaining the original concept of 8 all-pass filters with photoresistors, Erica Synths has redesigned the filters and modulation circuit and has added several unique features. First, a dip switch allows for selecting the number of filter stages involved in the resonance path, while a resonance attenuverter brings in never-heard-before feedback artifacts. Most importantly, the SPREAD mode detunes the all-pass filters for even more distinct sonic behaviors.

A built-in voltage controlled LFO, with selectable waveforms, further expands the modulation possibilities of the phaser — which can be used as an independent modulation source for your modular system as well.

The Black K-Phaser is our tribute to the German electronic music pioneers that largely shaped the sound of electronic music worldwide.


  • 8 all-pass filters with photo-resistor control
  • Classic and Spread (filter detune) mode
  • Resonance attenuverter
  • Selectable resonance path
  • Built in VC LFO with a dedicated output
  • Wet output

The Black K-Phaser will begin shipping next week and is available for €190 EUR (VAT excl) and $229 USD.  For more information please visit the Erica Synths product page.

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