Dual Digital Delay

Scree Rp1 0

Delay I

Create trailing echos, simple slapbacks or precise rythmic effects.

Delay II

Add Chorus, Vibrato, Flanger, Tremolo, Phaser & Panning effects with a second modulation delay.


Combine both delay lines in any way you want or use them independently.


From input to ouput, RP-1 applies true stereo processing in every step of the signal chain.

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Delay Section

  • Delay times from 10ms to 2000ms or 1/32th to 4bars
  • Lowpass and Highpass filters (Pre Delay)
  • Stereo Spread
  • Tempo Sync via Host Tempo
  • Tap Tempo and Manual Tempo
  • Normal, Dotted and Triplet mode
  • One Button Looping
  • Effect Bypass

Mod Section

  • A total of 7 different algorithms to choose from including Chorus, Vibrato, Flanger, Pan, Tremolo, Phaser & Mod Delay
  • Feedback Control
  • Modulation Amount
  • Modulation Frequency from 0.1hz to 10hz
  • Routing Pre/Post Delay
  • Mod Bypass


RP-1 comes in both, AudioUnit an VST format and works equally well on Windows as it does on Mac OSX.


On the Mac, RP-1 supports both, AudioUnit (AU) or Virtual Software Instrument (VST) format.

Windows VST

On Windows, RP-1 ships in VST format and comes with both, 32bit and 64bit versions.

Audio Demos

Have a listen to some selected audio demos.


RP-1 comes with a fully functional but time limited demo.


Download Add to Cart
v1.0.3 Mac OSX / Windows
Trouble installing? Download the .zip

RP-1 for iOS


Check out RP-1 for iPhone and iPad