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Bastl Instruments GrandPa - ALU, DEMO UNIT

$199.00 $219.00
Available Immediately
Product number: CV2773

Granular Sample Player

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


Granular Sample Player

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. Grandpa reads microSD card accessible from the front panel and runs on 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)

In the Box
• The module itself
• Eurorack Power Cable


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