No info about availability.
Valve distortion and voltage controlled attenuator VCA
[Discontinued] Voltage controlled amplifier distortion oriented audio signals based on Soviet 1J24B valves.
http://www.befaco.org/es/sinte-modular/tube-distorsion-vca/
3 Users are observing this
These merchants probably sell this module. Huh?
Included in 71 Racks, 51 are public: