Radio Music

SampleStack supported

Music Thing Modular

A virtual radio module that randomly plays audio files from banks on the SD card.

Format

Eurorack, 4 HP

Sample Rate

44.1 kHz recommended

Bit Depth

16-bit

Channels

Mono

File Formats

WAV

Storage

MicroSD card (FAT32 or FAT16, 32 GB max)

Specifications

Depth ~35 mm
Power 85 mA (+12V), 20 mA (-12V)

Features

  • Behaves like a radio, randomly playing audio files from banks
  • Bank CV, Station CV, Reset trigger, Start trigger
  • Audio output + End Of File gate
  • Up to 16 banks, 75 files per bank, 330 total files

Folder Structure

microSD Root (FAT32, 32 GB max)/
├── bank0/
│   ├── a.wav
│   ├── b.wav
│   └── ... (up to 75 files per bank)
├── bank1/
├── ...
└── bank15/

Notes

  • 16 bank folders maximum at the root; 75 files per bank max; 330 total files per card
  • Filenames must follow 8.3 format (8 characters max + 3-character extension)
  • Files must be mono WAV (2017+ firmware). Stereo files play only one channel
  • Optional settings.txt in root configures startup bank and voltage scaling

Third-Party Tools

  • FormatRadio (Python CLI for folder structure and 8.3 naming)

Links

All Instruments