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Sale Product ID: BSTLgp

Bastl Instruments Grand Pa

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Regular Price: €209

Now only: €170



Granular Sampler

We have been asked by people to bring microGranny into the modular and we decided to rethink the whole granular sampler idea to fit it best into small size eurorack module. Grandpa is the result! It has 2 trigger inputs to trigger 2 different samples. CV input which is assignable to any sound parameter and signal OUTPUT. The CV input can be also used to trigger grain shift. Grandpa reads microSD card accessible from the front panel and runs the same sound core as microGranny 2. For each sample you can adjust: sample rate, crush, grain size, shift speed, attack, release (full release is hold), start and end position.


granular sampler with microgranny 2.0 soundcore
plays wav files from the microSD card, 22050 Hz, 16 bit, mono
12bit output
adjustable sample rate (can go up to 44.1 kHz)
trigger inputs for playing 2 different samples with different settings
each trigger input has a button to do the trigger manually
RGB led to indicate page (on each page the two knobs adjust different parameters)
crush distortion
adjustable grain size and grain shift (positive or negative)
digital attack decay envelope
start and end point
no interpolation between grain jumps
each sample has adjustable destination of CV input – it can go to any of the parameters
grain sync – CV input can act as trigger input for triggering the grain shift
can recognize 35 different samples on the microSD card (they need to be specific name)
35 presets (all settings of the 2 samples is one preset)
CV input reacts in 0-10V range
handmade in Brno, Czech republic
front panel from oak wood, handmade custom knobs
breakout for FTDi USB adaptor for hacking, opensource firmware (see github)

  • 50 mA +12V
  • 0 mA -12V
  • 0 mA 5V
  • 35 mm Depth

Additional Information

Warranty: 1 year
Module Format Eurorack
Function(s) Drum, Sampling
Width (HP) 5
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