Whirl Korg effect plugin

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Whirl is a barber-pole phaser. It is based on the Bode frequency shifter algorithm configured with a positive feedback loop, which allows it to produce an audible illusion of endlessly morphing resonant spectrum sweeps. These sweeps are going “upwards” with negative phaser frequencies, or “downwards” with positive frequencies, and it’s possible to seamlessly transition between these states.


Whirl update 1.0.1
– Feedback parameter is now prevented from going out of stable value range


  • Studio-grade DSP algorithms, calibrated specifically for Korg’s hardware platform.
  • Individually chosen mapping on each parameter providing a very natural feel.
  • Built-in lag filters for noise-free, ultra-smooth parameter adjustment.


  • Korg prologue
  • Korg minilogue xd
  • Korg Nu:Tekt NTS-1

Listen to audio examples