Erica Synths Graphic VCO Eurorack Oscillator Module

Erica Synths Graphic VCO Eurorack Oscillator Module

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Two Wavetable VCO's in one module with a TON of creative possibilities.

The Graphic VCO allows you to draw your own waveforms, arrange them in wavetables and wavetable banks, morph between two selected waves and alter the resulting wave in advanced ways (FXes) – apply FM, phase distortion, ring modulation, wavefold/wavewrap, bitcrush.

Waves, wavetables, FXes and other settings can be saved and recalled from the memory instantly. The module has two outputs – the main output and the output with configurable suboscillator.

To have the module functionality up to date, we recommend you time by time check announcements about firmware updates for the Graphic VCO on or on our social media. You can update the firmware of the module via miniUSB cable. More detailed instructions of the firmware update can be found in User Manual.


  • Versatile waveform designer
  • Morphing between two selected waves
  • Wavetable design
  • Wavetable matrix design
  • Versatile waveform alteration – FM, phase
  • distortion, ring modulation, wavefold,
  • wavewrap, bitcrush
  • 32 classic wavetables included
  • Module state saving (Snapshots)
  • Configurable suboscillator output
  • Suboscillator tuning from -1 to -24 semitones
  • Suboscilator detuning (+/- 50 cents)
  • Skiff-friendly design
  • User waveform/wavetable upload via USB
  • Firmware upgrade via USB


  • Audio output amplitude 10Vptp
  • Octave range C0-C8
  • Sample rate 96kHz
  • Wave resolution 1024 points
  • Unipolar CV input range 0 -+10V
  • Bipolar CV input range -10V -+10V
  • Panel Width 16 HP
  • Module depth 30mm
  • Power consumption 152mA@+12V, 20mA@-12V
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