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Key Features
The Doepfer A-130 is a linear voltage controlled amplifier (VCA). It determines amplification via the two control voltage inputs, CV1 and CV2, in addition to the manual gain control. There are two audio inputs, and each of these have an attenuator, making the A-130 also like a mini mixer. The output also has an attenuator, allowing you to set the level coming from the module.
Product Ref: 220555
If you want to shape the level of signals, then you will need a voltage controlled amplifier. An ideal module to combine this with is an envelope generator, with its output plugged into one of the CV inputs.