by Robin Vincent | Approximate reading time: 1 Minute
Erica Synths Fusion VCO V2

Erica Synths Fusion VCO V2  ·  Source: Erica Synths


A riotous new oscillator from Erica Synths bakes in an enormous amount of tube driven crunch and detunable thickness.


Fusion VCO V2

The oscillator is built on the AS3340 core and offers three simultaneous waveforms. They then mix in a transistor based sub-oscillator and an unexpected detune function. The detuning, which you’d normally need two oscillators for, is emulated using two BBD delay lines that create a frequency drift which is then fed back into the primary oscillator. The Sub has three colour settings to move from smooth to bite.

And then there’s the vacuum tube sat in the middle of the module. Tube Crunch is added to the top of the mix which can range from a warm embrace through to the removal of your spine for dark and magical purposes.

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There are CV inputs for FM and Sync and an audio input for mixing another signal through the Tube Crunch. And you can take the waveforms out individually or the selected waveform, sub and input mixed through the Tube Crunch to a single output.

The sound is deliciously thick and tasty with an unusual amount of sound shaping available within the module itself. It also looks like something you’d find in a cyberpunk time machine.

The Fusion VCO V2 is available now for €300.

More information

  • Erica Synths Fusion VCO V2 webpage.
  • More from Erica Synths.


Erica Synths Fusion VCO V2

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