Tube VCA 1Ж24Б


Tube VCA inspired by Ken Stone

Soviet tube 1Ж24Б

This design is inspired by ken stone's tube vca and based on 60s-70s soviet tube 1Ж24Б.

The device has feedback loop which is normaled to IN2 jack, so IN2 potentiometer controls feedback amount when nothing feed into IN2 jack and feedback switch is on. When jack feed into IN2, IN2/FEEDB potentiometer controls IN2 level.

Distortion/clean switch controls two modes with more or less distortion which amount can be trimmed with trimpots through holes at panel.

DRIVE/IN1 potentiometer controls IN1 level.

GAIN potentiometer controls gain offset.

CV potentiometer controls CV input level.

  • 12 mA +12V
  • 25 mA -12V
  • 0 mA 5V
  • 26 mm deep
  • Ø 4.33 (12 Votes) Average Rating

Available as an assembled Module and as a DIY project.

This Module is currently available.

$260 Price in € submitted Oct 14th 2012, 03:30 by defenestration | last Change May 16th 2018, 04:57 by shplv