ER-301: Sound Computer

SampleStack supported

Orthogonal Devices

A fully programmable DSP canvas for building custom samplers, granular engines, and effects.

Format

Eurorack, 30 HP

Sample Rate

Up to 96 kHz

Bit Depth

16/24/32-bit float (converted to 32-bit float in RAM)

Channels

Mono or Stereo

File Formats

WAV (uncompressed)

Storage

2x MicroSD slots: front (user data) and rear (system)

Specifications

Memory 512 MB RAM (~480 MB available for samples)
Power ~500 mA (+12V), ~100 mA (-12V)

Features

  • Fully programmable DSP canvas with on-screen unit blocks
  • 4 audio inputs, 4 audio outputs, 20 CV inputs, 4 gate inputs
  • Up to 12 simultaneous audio/CV recording tracks
  • USB mass storage mode for direct computer access (v0.6+)
  • Build custom samplers, granular engines, loopers, effects, synth voices

Folder Structure

Front microSD Root (FAT32, 32 GB max)/
├── ER-301/
│   ├── sc/
│   │   └── quicksaves/
│   └── <version>/
│       └── presets/
├── Samples/
│   ├── Drums/
│   │   ├── kick.wav
│   │   └── snare.wav
│   └── Loops/
└── (any other user folders)

Notes

  • No mandatory folder structure for samples; organise freely
  • Accepts uncompressed WAV at any sample rate, 16-bit, 24-bit, or 32-bit float
  • System folders (ER-301/) are auto-created. Do not delete or rename them
  • Front card accessible via USB mass storage or by physically removing the card
  • Class 10 / UHS-1 or faster recommended; UHS-3 for 6+ simultaneous recording tracks at 96 kHz

Links

All Instruments