The Tube VCA utilizes Cold War-era Soviet vacuum tube technology and puts it into a modular synth. The inputs can be driven "hot" and the inclusion of audio feedback brings even more timbral possibilites.

Uses Russian made 1J24B valve originally used in MiG-29 fighter jets.

Controls:

  • Audio input 1 & 2 - audio input level controls
  • Feedback - internal feedback amount
  • CV 1 & 2 attenuators - control level of external CV's
  • Initial CV - sets intial level of Tube VCA

I/O:

  • Input 1 & 2 - audio inputs
  • CV 1 & 2 - CV inputs
  • Output - audio output

Frac spaces: 2

Current draw: 35ma

Price: $225

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