£10.10 – £23.60
The GMSN! Pure VCA is a real workhorse module, used to control the volume or amplitude of an audio or CV signal. This is controlled either by the offset knob, or automatically using a control voltage.
The THAT2181 used in the VCA is used in high end audio kit giving excellent signal to noise ratio.
Open Source Documentation
Eagle Docs & Bill of Materials: Pure VCA Latest
Cadlab.io Schematic: Pure VCA.sch
Cadlab.io PCB: Pure VCA.brd
Further build documentation and guidance is provided to GMSN! Supporters via the forum. Please buy direct from GMSN! to create a forum account.
7mA -12V, 7mA +12V