C108 DUAL VCA

The C108 Dual VCA is a dual voltage controlled amplifier with selectable linear and exponential response.

VCAs are one of the most important modules in a modular synth. In addition to the more obvious use , that it’s volume control, a VCA allows to add voltage control to any modulation input helping to create more interesting and time evolving patches.

Each VCA features :

• • • • • • • A signal input.

            • An initial gain control.

            • A voltage control input with a level potentiometer.

            • A switch to select the VCA response, linear or exponential.

            • An output.

The VCAs in this module are not only attenuators, they can also boost the input signal. Using the initial gain potentiometer and a five volts CV signal, the VCA has a maximum gain of 2 (doubles the signal amplitude). This is very useful for signal processing or to boost external signals.

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