Expert Sleepers — ES-9


Expert Sleepers ES-9 Manual PDF

Expert Sleepers ES-9 – Quick Reference Cheat Sheet

Power & Installation

Panel Controls

Control Type Function
Volume Knob Rotary & Push Headphone output volume. Push & hold (>1s) toggles between "hosted" and "standalone" configs.
LEDs 4x A: Power / B: USB Data / C: MIDI Out / D: MIDI In
Jumpers Back Panel JP1: Forces DFU boot mode for firmware update

Inputs and Outputs

Type Location Count Connector Voltage Range Coupling Notes
Analogue Inputs Front 14 3.5mm TS ±10V (0dBFS) DC Use for audio or CV
Analogue Outputs Front 8 3.5mm TS ±10V max DC Use for audio or CV
Balanced Outputs Front 2 1/4" TRS Line Level AC Not DC coupled (for monitors)
Headphone Output Front 1 1/4" TRS Line Level DC Mix of outs 1/2 & 3/4
S/PDIF In/Out Front 2 Optical Digital audio N/A
MIDI – Expansion Rear Header 2 4-pin IDC Use MIDI breakout
ES-5 Expander Rear Header 1 10-pin IDC For gate/trigger expansion

Socket Illumination: 3.5mm input/output jacks light RED (positive), BLUE (negative).


USB Host Operation

Audio Channels Mapping (Default, DAW)


Quick-Start Workflow

  1. Install ES-9 in Eurorack → connect power cable (match -12V to red stripe)
  2. Connect via USB to your computer (use C-to-A or C-to-C cable).
  3. Confirm DAW Device: Select ES-9 in your DAW's audio preferences.
  4. Monitor LEDs: LED below USB C should light when connected.
  5. Configure with the ES-9 Config Tool (download here; browser app requires Chromium-based browser).
  6. Save Configuration into either hosted or standalone memory slots.

Advanced Features Cheat Sheet

Feature Key Details
Mixers 8x8 crosspoint (mono) mixers. Can route anything to anything.
DC Blocking Switchable per input pair; keep ON for audio, OFF for CV.
Stereo Links Links adjacent mixer channels for stereo processing.
EQ 4 bands per input, several filter types. Consumes DSP resources.
Mix Smoothing Optional interpolation; use for MIDI-controlled mixing, live use.
MIDI Control Macro mix controllable via MIDI CC (see manual for CC mapping).
5-pin DIN MIDI I/O With MIDI breakout; 4-pin header pinout in manual.
Firmware Update Use ExpertSleepersDFU tool + .dfu file; see update page
SysEx Protocol Full SysEx support for config state/automation (see manual).

Back Panel Jumpers & Expansion

Pinout:

Pin Function
1 OUT (DIN pin 4)
2 OUT (DIN pin 5)
3 IN (DIN pin 5)
4 IN (DIN pin 4)

Troubleshooting LED Indicators

LED Function
A On = Powered
B On = USB connected
C MIDI from host → breakout (outbound)
D MIDI from breakout → host (inbound)
All At start: flash twice/sequence = normal.

Useful Links


Generated With Eurorack Processor