Arbhar

SampleStack supported

Instruō

A granular audio processor with six banks of six layers loaded from USB.

Format

Eurorack, 18 HP

Sample Rate

48 kHz preferred (others converted on load)

Bit Depth

24-bit preferred

Channels

Mono or Stereo

File Formats

WAV

Storage

USB flash drive (4 GB drive and USB expander included)

Specifications

Depth 42 mm
Power 210 mA (+12V), 30 mA (-12V)

Features

  • Up to 88 stereo grains across two granular engines
  • Six banks × six layers (36 sample slots)
  • ~10 second audio buffer per layer
  • 1V/oct pitch tracking and onset detection
  • Scenes save full module state with audio to USB

Folder Structure

USB Drive Root/
├── _arbhar_library/
│   ├── 1_1_sample/     (Bank 1, Layer 1)
│   │   └── sample.wav
│   ├── 1_2_sample/
│   ├── ...
│   └── 6_6_sample/     (36 layer folders total)
├── _arbhar_scenes/
│   └── 1_1_scene/      (6 WAVs + preset.txt per scene)
└── _updater/           (firmware updates)

Notes

  • Samples live in /_arbhar_library/ inside folders named bank_layer_sample (e.g. 1_1_sample)
  • 6 banks × 6 layers = 36 layer folders maximum
  • Each layer loads the first file up to ~13 seconds, or multiple shorter files up to ~10 seconds total
  • 48 kHz / 24-bit WAV is the V2 native format; other rates are converted as they load
  • Scenes (full module state plus audio) are stored in /_arbhar_scenes/

Links

Frequently Asked Questions

How do I load my own samples onto the Arbhar?

Put WAV files on the USB drive inside /_arbhar_library/, using folders named for each bank and layer: 1_1_sample for bank 1 layer 1, up to 6_6_sample. Each layer holds about 10-13 seconds of audio. SampleStack creates this structure for you and validates the folder names.

What sample format does the Arbhar V2 prefer?

48 kHz / 24-bit WAV, mono or stereo. The module accepts and converts other sample rates when loading, but native-format files load fastest and avoid conversion artifacts. SampleStack's Arbhar profile converts samples to 48 kHz / 24-bit automatically.

Can I prepare Arbhar libraries on a Mac?

Yes. SampleStack includes an Arbhar profile that builds the /_arbhar_library/ bank/layer folder structure, validates layer folder naming, flags samples that exceed the ~13 second layer limit, and converts audio to the native 48 kHz / 24-bit format.

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