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Expert SleepersES-8 USB Audio Interface

Item#
N13-6188
8hp
$459.00

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Expert Sleepers ES-8

The Expert Sleepers ES-8 is essentially a USB 2.0 interface built into a Eurorack module. It features DC coupled ins/outs that can process both CV and audio signals—meaning it is compatible with CV generation software like Silent Way, Reaktor, Max/MSP, zMors, and CV Toolkit. It is also compatible with CV generating iOS apps.

If all this wasn’t enough, the ES-8 also features ADAT ins/outs, meaning it can connect directly to an audio interface for extra pre-amps or 1/4” outputs. There’s also an expansion header that links the module with the ES-5, which can then be connected to Expert Sleepers’s CV, MIDI, and Gate expanders.

In addition to its pristine internal clock, the ES-8 can also sync with clock signals sourced from the ADAT signal.

ES-8 Features

  • 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
  • Eurorack Module
  • Panel width: 8HP
  • Module depth: 50mm
  • Current draw: 196mA on the +12V rail, 52mA on the -12V rail (at 96kHz)
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Product Demo Videos
Expert Sleepers ES-8 - Introduction
The Expert Sleepers ES-8 is a USB audio interface in a Eurorack synth module.

Simply connect the ES-8 with a USB cable directly to your Mac or iOS device and it appears as a 12-in 16-out audio interface ready to use for audio, control voltages, or both.

Both inputs and outputs are DC-coupled, meaning you can pass CVs in both directions between your hardware modular and software CV environments, such as Silent Way, Reaktor, zMors or max/MSP.

The ES-8 also has ADAT ports, which you can use to connect another audio interface, for example one with mic preamps or 1/4” jacks to hook up your other instruments.

You can also connect via ADAT to an Expert Sleepers ES-3 for more CV outputs.

The ES-8 also has a direct expansion connection for the Expert Sleepers ES-5, supporting up to 48 gate or trigger outputs.
Expert Sleepers ES-8 USB Audio Interface Reviews