Bastl Instruments

GrandPa ALU

190,1 €

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People have asked us to bring microGranny into the modular and we decided to rethink the whole granular sampler idea to fit it best into a small size eurorack module. Grandpa is the result! It has 2 trigger inputs to trigger 2 different samples, CV input assignable to any sound parameter, and signal OUTPUT. The CV input can be also used to trigger grain shift.

Features

  • 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)

Technical details

  • 5 HP
  • 35mm deep (skiff friendly)
  • current +12 <50mA
  • PTC fuse and diode protected 10 pin power connector

Download

Manual GrandPa

(1.46M)