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Euro Rack Module: 14HP wideUser Manual: Download PDF
The AMSynths design uses the CA3080 OTA chip at the core of the VCA, with a modern AD8273 Class D Audio Line Driver added to improve the final output stage. This chip provides both level and panning controls. The VCA control CV level have been designed to align to Euro Rack standards have been normalised to 0 to +10V.The panel design keeps close to the original with 2x signal inputs that go straight into the VCA. There are two modulation inputs (MOD, ENV) for connecting external CV's to control the level of the input signals, and a gain control labelled HOLD. Finally there is a overall signal output level control (OUT LEVEL) as well as a panning potentiometer with two outputs (LEFT and RIGHT).There is a red LED indicator of overall output level.There are six 3.5 mm jack sockets on the base of the front panel:
Module Output Level This module is designed to be the final stage in a EuroRack setup with the stereo outputs connected to professional grade mixers and audio converters. The output level is therefore lower than the input level, with a typical single 5V peak input signal into the VCA creating an output at +4dB when the OUT LEVEL is set to 8.
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