A modular interface for sending top-quality audio in her modular setup


ByRob Redman28 might 2021


Our Verdict

The ES-9 provides that indispensable leg to the digital domain through a heck of a many I/O.

You are watching: Expert sleepers es-9

ProsExpands top top the ES-8 through a chuck 16 channels of audio/CV.1/4″ stereotype outputs.Headphones output.

What is it?

There’s a time for most modular synth users when the mixer module it s okay to feel favor it’s not rather enough, or the require for more than one mixer becomes all too apparent, so that you can get your music right into the computer system in a means which enables for recording. 

A mixer is one possible option however falls short in many ways, many obviously because that multitrack recording, wherein the mix is non-destructive. Or wherein you want to shape the sound further yet not globally.

This is where skilled Sleepers come in, through the ES-9 module, which can be a game changer because that many, and also fills much more than one role.

One-stop shop

Physically the is reasonably unassuming, through a simple collection of I/Os on the front panel, along with a solitary volume pot for the headphone out. What you will discover is one assortment the jacks; eight 3.5mm outputs and 14 3.5mm inputs, a pair of TRS jacks perfect for sending out to a PA or outside monitoring, and also a pair the SPDIF ports. 

On optimal of this, you can include expanders for MIDI connectivity or a further set of I/O, via the ES-5. The last harbor is a USB-C harbor that permits hookup to your Mac or PC.

It packs a many I/O ports top top the former panel yet for those with an especially shallow skiffs, store in mind that it’s chunkier ring the back, at 50mm, as dictated by so lot connectivity.

Performance and verdict

We see this together a one-stop shop for making use of Eurorack with Logic (other DAWs are available) and also have collection up a preset design template for recording my modular, which has actually transformed the way we interact and also record. 

There is something fairly special around so quickly being able to send audio right into your modular, without the need to bounce samples, fiddle v memory cards

The ES-9 is an audio user interface at heart, supplying a vast array of channels for gaining audio right into Logic, whereby I have the right to balance, shape, remix and add effects to tracks around the world or locally, security on what ns patch right into the ES-9. Not only does it fit this purpose perfectly yet eight that the ports are DC-coupled, definition you have actually a link for CV as well. Ableton and VCV rack users rejoice!

There is something fairly special around so easily being able to send audio into your modular, without the should bounce samples, fiddle v memory cards – and also that’s assuming you also have a sample player.

None the this would be that advantageous if the fidelity wasn’t there, therefore it’s good to 24bit sample depth and also up come 96khz little bit rate, making because that audio the sounds true to the source. Having USB-C means lag is also a non-issue.

On top of every this functionality, that is possible to usage the ES-9 as a mixer and stereo output, therefore you can take your situation live or come a various studio and also still acquire audio into a various setup, via the TRS outs.

Considering that is 16hp rack space and basic layout, the ES-9 provides a entirety lot of peak quality interfacing. The durable module gets rid of physical and also mental clutter, enabling you to interact with your music the way you desire to. It’s easy to work with, driverless, functions well live and in the studio and makes small compromise v sound quality. It might make no bleeps and also bloops yet is quiet worthy of a location in any rack.

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stayinfiji.com verdict: The ES-9 provides that indispensable bridge to the digital domain with a heck of a the majority of I/O.

Hands-on demos

Easy Sleepers


ZPanel width: 16HP Module depth (including strength cable): 50mmCurrent draw: 451mA ~ above the +12V rail, 133mA top top the -12V rail (at 96kHz)USB socket: kind CDriver suport: class-compliant USB 2.0 (no driver forced for macOS and iOS -Windows drivers detailed for windows 7, 8 & 10)Channel count: 16 in, 16 outSupported sample rates: 44.1kHz, 48kHz, 88.2kHz, 96kHzAudio sample depth: 24 bitAnalogue outputs: 8x 3.5mm TS jacks, DC-coupled, Maximum calculation voltage approximately ±10V 2x 1/4" TRS well balanced jacks, AC-coupled (main outs) 1x 1/4" TRS stereo jack, DC-coupled (headphones)Analogue inputs: 14x 3.5mm TS jacks, DC-coupled, intake voltage selection approximately ±10VDigital I/O: 1x S/PDIF input (TOSlink), 1x S/PDIF calculation (TOSlink)MIDI I/O: 1 input, 1 output (on breakout)Expansion headers: 1 for ES-5, 1 because that MIDI breakoutPanel controls: headphone volumeInternal mixer: 8x8 crosspoint mixer (can be used with no USB link for standalone operation)