Cwejman VC-FCS

Cwejman VC-FCS is a voltage-controlled filter and envelope generator module designed by Swedish synthesizer manufacturer Cwejman. It is a four-pole low-pass filter with voltage-controlled resonance and envelope generator. It has been used by a variety of artists, including Aphex Twin, Autechre, and Squarepusher.

The VC-FCS works by allowing the user to control the filter's cutoff frequency and resonance with a voltage-controlled input. The envelope generator is triggered by a gate signal and can be used to modulate the filter's cutoff frequency. The module also features a voltage-controlled envelope amount, allowing the user to control the amount of modulation applied to the filter. Additionally, the module features a voltage-controlled envelope attack and decay, allowing the user to shape the envelope's attack and decay times. Finally, the module features a voltage-controlled envelope sustain, allowing the user to control the envelope's sustain level.