Expert Sleepers ES-8 Review

This video, via Marcin Staniszewski, is a user review of the Expert Sleepers ES-8 USB audio interface for Eurorack modular synthesizers. 

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 (e.g. Silent Way, Max/MSP, Reaktor, CV Toolkit, zMors, Audulus, etc.) 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 I/O 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 (for example with the Behringer ADA8200).

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 also a high quality internal clock, and it can optionally sync to the clock from the input ADAT signal.

If you’ve used the ES-8, leave a comment and share your thoughts on it!

Pricing and Availability

The Expert Sleepers ES-8 is available for US $550.

10 thoughts on “Expert Sleepers ES-8 Review

  1. There was another CV / Gate / MIDI I-O box reported here recently at a very reasonable price.
    What was that again ?

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    1. Let’s be very clear that the ES-8 is not a MIDI/CV converter. It’s an audio interface, that can be used for CVs too.

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  2. The ES-8 is lot more flexible and faster to use than ES-3. I have both, It might not be the cheapest module out there but it certainly is the best solution I came across.

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  3. I Wish ES would make a stand-alone utility box version of this.
    An option for us who use desktop devices not Eurorack.

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