Expert Sleepers ES-8 USB Audio Interface

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USB 2.0 class-compliant audio interface in a Eurorack module

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Manufacturer: Expert Sleepers

Category: Keyboards & Synths



The ES-8 is a USB 2.0 class-compliant audio interface in a Eurorack module, with DC-coupled inputs and outputs that can be used for both CVs and audio. As such it is directly compatible with all popular computer-based CV generation software as well as audio and CV processing iOS apps.

The ES-8 also has ADAT inputs & outputs. This could be used for example to expand the output count via an Expert Sleepers ES-3 and/or ES-6, or to connect a traditional audio interface to add, say, mic preamps or 1/4" line outputs.

An expansion header allows connection of an Expert Sleepers ES-5, to which in turn you can connect our gate, CV and MIDI expanders.

The ES-8 has a high quality internal clock, and it can optionally sync to the clock from the input ADAT signal.

Additional Info

Additional Info

Specification >

The ES-8's preliminary specifications are as follows:

  • Panel width: 8HP
  • Module depth: 50mm
  • Current draw: 196mA on the +12V rail, 52mA on the -12V rail (at 96kHz)
  • USB socket: Type B
  • Driver suport: class-compliant USB 2.0 (no Windows support initially)
  • Channel count: 12 in, 16 out
  • Supported sample rates: 44.1kHz, 48kHz, 88.2kHz, 96kHz
  • Output connections: 8x 3.5mm jacks, DC-coupled
  • Maximum output voltage: approximately ±10V DC
  • Analogue inputs: 4x 3.5mm jacks, DC-coupled
  • Input voltage range: approximately ±10V
  • Digital I/O: 1x ADAT input, 1x ADAT output
  • Expansion headers: 1 for ES-5, 1 for ES-6

The front panel is drilled for both Doepfer and Analogue Systems mounting holes (using a 'slot' rather than a single round hole). The power connector is a Doepfer standard 16 way IDC, with -12V furthest from the top of the board.

Manufacturer's Part Number ES-ES-8
Manufacturer Expert Sleepers
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Call for Price Yes