GrandPA

SampleStack supported

Bastl Instruments

A compact granular sampler based on the microGranny engine with lo-fi character.

Format

Eurorack, 5 HP

Sample Rate

22,050 Hz (adjustable up to 44.1 kHz)

Bit Depth

16-bit input, 12-bit output

Channels

Mono

File Formats

WAV

Storage

MicroSD card (35 samples max)

Specifications

Depth 35 mm
Power < 50 mA (+12V)

Features

  • Granular sampler (microGranny 2.0 core)
  • Adjustable grain size/shift speed
  • Crush distortion
  • Digital attack/decay envelope
  • 2 trigger inputs, 1 assignable CV input (0-10V)
  • 1 DC-coupled output (0-5V)

Folder Structure

microSD Root/
├── P0.wav
├── P1.wav
├── ...
├── P9.wav
├── PA.wav
├── PB.wav
├── ...
└── PZ.wav

Notes

  • Files must be in the root directory with strict naming: P0.wav-P9.wav, PA.wav-PZ.wav
  • Format: 22,050 Hz, 16-bit, mono WAV (44.1 kHz works but disables pitch-up)
  • Maximum 35 samples on the card
  • Card can be hot-swapped; hold UP + DOWN for 2 seconds to reboot/reload

Links

All Instruments