The module A-131 provides voltage-controlled amplification. For audio signals, you would normally use this exponential VCA, although the linear version, A-130, would also work.
The amount of amplification the VCAs provide is determined by the voltage at the CV input, and the position of the gain control, which sets the overall gain in the system.
The VCA has two audio inputs, each with an attenuator. They are amplified by an amount determined by the combination of the gain and the two CV controls.
- Classic Exponential VCA
- Two audio inputs for a dual CH mixer
- Two CV inputs for Amplitude control
- Gain offset control for volume level biasing
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- Eurorack Module
- Width: 8HP
- Depth: 45mm
- Current Draw: 20mA @ +/-12V