Resonans Physical SynthesizerBUY IT NOW

The Free 1.1 update adds Frequency Modulation (FM synthesis), 8 additional mod slots, new patches, and more!

Resonans is a physical modelling synthesizer in the Reason Rack Extension format. Create realistic bells and plucks, or create sounds never heard before while still sounding organic and vaguely familiar.



  • Physical Modelling Synthesizer
  • Up to 16 voices of polyphony
  • 3 models: Modal Resonator, Inharmonic String and Frequency Modulation (FM)
  • Impulse section: White noise generator, sampler and live audio input
  • Filter: State variable multimode with lowpass, bandpass and highpass modes
  • Sub Oscillator: Sine oscillator with octave offset (0, -1, -2)
  • Amp with spread control
  • Reverb with infinite sustain and Tilt EQ on the wet signal
  • Delay with tempo sync and Tilt EQ in the feedback loop
  • Stereo FX audio input
  • 2 ADSR envelopes
  • 1 DAHDSR envelope which can be looped and tempo synced
  • Tempo syncable LFO with 5 waveforms, phase and lag controls, and realtime waveform display
  • Dedicated tempo syncable Vibrato LFO with delay setting
  • 2 Key Switches and 1 Velocity Switch with MIDI Learn function
  • Dedicated Trigger CV inputs for the key/velocity switches
  • 16 slot Modulation Matrix with nested popup menus and drag & drop selection
  • 4 Mod CV inputs and ouputs with bipolar signal LEDs (red for negative, green for positive)
  • Mod CV LEDs work as drag & drop targets in the mod matrix

Download the User Guide.