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Synthesizer Plugin by rf Music
No Longer Available
RED31 by rf Music is a Virtual Instrument Audio Plugin for Windows. It functions as a VST Plugin.
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RED31 is a VST instrument plug-in for windows, capable of creating different kinds of sounds using its 3 wave table based oscillators, a noise generator, modulator tools and effects.


  • OSC1 & OSC2: Two morphing oscillators with 24 waveforms; You can mix two waveforms, add pulse width and smooth out the waveforms. Oscillator 1 has ring modulator, and also modulates the frequency of oscillator 2 (FM).
  • OSC3: The third oscillator is a simpler version with basic controls.
  • Noise Generator: Generates white and pink noises.

An optimized state variable filter with LP, BP, HP and 12/24 db modes.

Two mod envelopes and two tempo synced LFOs that can be routed to control some of the main parameters of the plug-in.


  • Dist: Distortion, Overdrive and saturation.
  • EQ: 4 band EQ plus LP and HP filters.
  • LOFI: Sample and bit rate reduction effects.
  • ENS: Ensemble effect.
  • Phaser: Stereo phaser with 4 modes.
  • Delay: Tempo synced delay with ping pong mode and filters.
  • Reverb: Reverb with LP and HP filters.

Download and try the demo version from here.

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Comments & Discussion for rf Music RED31

Discussion: Active
23 June 2016 at 11:38am

oh no. 32-bit is out.

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