Expert Sleepers ES-4 Demo – Teaser
A demo of the basic features of the Expert Sleepers ES-4 and ES-4 Gate Expander modules.
The ES-4 is a Eurorack format module which converts a standard S/PDIF input to five channels of control voltage. Two of the five channels are calibrated to provide over 5 octaves of 1V/octave pitch CV. The remaining three channels are general purpose outputs (for use as e.g. gates, envelopes, LFOs) and each have a nominal range of 0-10V or ±5V (user selectable). Since S/PDIF is a stereo-only format, the encoding of the five channels on to two is handled by software to be provided as part of Expert Sleepers Silent Way. The ES-4 will connect to any audio device using the S/PDIF standard. This includes the digital audio output provided as standard on all recent Macs.
Features:
- Panel width: 8HP
- Module depth: 51mm
- Digital input: coaxial S/PDIF
- Digital output: coaxial S/PDIF
- Analogue outputs: 5x 3.5mm jacks, DC-coupled
- Output voltages
- Channels 1-2: 0-5.3V (when trimmed for 1V/octave response)
- Channels 3-5: 0-10V or ±5V (jumper selectable per channel)
- D/A conversion: 8 bit, using high precision Analog Devices DACs
- Indicators: LED for S/PDIF sync lock; 2 LEDs per channel on channels 3-5 indicate output voltage (+ve/-ve)
- Expansion
- 5 headers for connecting ES-4 Gate Expander modules (see below)
- Digital audio I/O header (I2S format) for future expansion
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