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Optx is a compact and bi-directional ADAT lightpipe converter for eurorack synthesizers. The module provides 8 channels of input and output expansion to many pro audio interfaces, and may be used standalone for noise-free interconnections between eurorack systems.
ADAT Encoding & Decoding Some computer audio interfaces are equipped with one or more pairs of ADAT expansion ports allowing for additional input and output channels. Optx takes full advantage of these often unused ports, providing multi-channel connections directly to and from eurorack systems.
The module accepts any 8-channel ADAT encoded digital signal at the Rx TOSLINK jack (via lightpipe optical cable) and converts it into 8 discrete analog signals available at the OUT 1-8 jacks.
Conversely, Optx accepts 8 discrete analog signals at the IN 1-8 jacks and converts them into an 8-channel ADAT encoded digital signal available at the Tx jack.
DC-Coupled I/O All of the module’s analog connections are DC-coupled, meaning signals can be AC (audio) or DC (control voltages). So when used in conjunction with software such as Bitwig Studio or Ableton CV Tools, Optx becomes a bi-directional interface for control voltages like 1V/oct pitch and gate signals, or LFOs, ADSRs and other modulators. The amount of creative potential here cannot be overstated.
Computers and software are not needed to take advantage of DC-coupling. When used standalone, both audio and control voltage signals can be sent between Optx modules.