BASTL InstrumentsMicro Granny 2.5 Granular Sampler Distant Raver (Orange)

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Bastl Micro Granny 2.5 Distant Raver

The Bastl Instruments MicroGranny is a monophonic granular sampler optimized for use with other tabletop synthesis devices. The unit processes wav samples stored on a microSD card, meaning users can add granular algorithms to whatever sound sources they please. There’s also a dedicated MIDI input, which can transpose samples or play different grans on different keys. This is the ORANGE version of the MicroGranny.

Micro Granny 2.5 Distant Raver Features

  • Monophonic mono sampler
  • MicroSD card (storing + recording samples, storing presets)
  • 6 sounds with full adjustments storable in a preset at once
  • 60 presets in 10 banks (6 preset per bank), stored as .txt files on microSD card
  • Wav sample playback from microSD card (mono, 22050 Hz, 8 or 16 bit, two letter file name)
  • 8-bit 22050Hz wav recording via line input or onboard microphone
  • Hold button
  • Sample rate (tuned or free run)
  • Crush
  • Start, end position with repeat, instant loop
  • Granular settings: grain size and shift speed (positive or negative)
  • Amplitude envelope attack and release
  • MIDI Input – responds to note, cc and clock (synchronize loop and grains)
  • MIDI side chain envelope restart
  • Copy, paste
  • Input & output volume knob
  • Power switch – plug / battery
  • Hackable – arduino based
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  • UV Red/Orange case
  • 9V battery operation
  • Design – graphic layout – Anymade studio
  • Code uses hacked version of WaveRP and SDFat library for Arduino
  • PCB made in Fritzing, designed partly derived from Adafruit Wave Shield


  • Hand assembled instrument with full enclosure comes in printed box
  • assembled instrument – full enclosure
  • 9V battery
  • user manual
  • chain connectors
  • 8 pcs triangle shape mushroom tape (for solid connection between instruments)
  • stickers
  • microSD card with samples
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