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VCAs

VCAs

VCAs is four DC coupled linear Voltage Controlled Amplifiers in 12HP.

Each channel consists of:

  • 20mm slider for initial gain
  • Attenuverting signal input
  • 0-5V linear control voltage input
  • bi-color LED indicating signal amplitude and polarity

The arrows on the panel between output jacks indicate VCAs' normalled mixing scheme. When a patch cable is not inserted into an output jack, that channel's output is mixed into the channel on its right. For example, when only patched out of the furthest right channel, VCAs will act as a 4 channel mixer. If patched out of the "second" and "fourth" channels, each pair (1&2, 3&4) acts as a 2 channel mixer. 

These features together allow for standard VCA duties, voltage controlled mixing, positive and negative offset, and manual DC output. 

 

VCAs was redesigned in 2022 to include attenuverters on each signal input, in place of latching push buttons on the 2015 model. 

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