Basic VCA
specifications:
EURORACK 8HP
SKIFF FRIENDLY
DC COUPLED INPUT
LINEAR AND EXPONENTIAL RESPONSE
LED BRIGHTNESS CORRESPONDES TO SIGNAL AMPLITUDE
REVERSE VOLTAGE PROTECTED

http://noisereap.com/?product=vca

• ? mA +12V
• ? mA -12V
• ? mA 5V

Available as an assembled Module and as a DIY project.

No info about availability.