Bastl Instruments GrandPA + SPA Expander Pair (Wood Finish)

Up for sale is the Bastl Instruments GrandPA granular sampler paired with its dedicated SPA expander in the rare, classic Oak Wood panel finish. Spanning 10HP total, this pair brings the gritty, organic microGranny 2.0 sound engine directly into your Eurorack setup. GrandPA plays 16-bit mono WAV files directly from a microSD card through a 12-bit output path, offering dual sample triggers, grain size/shift control, crush distortion, and digital envelopes. The SPA expander connects via a rear ribbon cable to add full CV control over all core parameters with dedicated attenuators, transformable control knobs, and a clock sync input for rhythmic grain shifting.

Key Features:

• microGranny 2.0 Engine: Compact Eurorack granular sampling engine with 12-bit lo-fi output character.SampleStack
• Classic Oak Wood Panels: Matching vintage Bastl wooden faceplates and custom knobs.Bastl Instruments
• SPA CV Expander: Adds dedicated CV inputs with attenuators for Grain Size, Shift Speed, Crush, Start/End, and Envelope stages.Bastl Instruments
• microSD Sample Loading: Front-panel microSD slot for loading up to 35 custom WAV samples per bank.Perfect Circuit
• Rhythmic Grain Sync: Dedicated clock input to trigger grain jumps in time with your master clock.Bastl Instruments

Condition: Excellent condition. Clean wooden faceplates, smooth potentiometers, fully functional, and well-maintained in a smoke-free studio environment.

Includes:

• Bastl GrandPA module (Wood)
• Bastl SPA expander module (Wood)
• Expander interconnect ribbon cableBastl Instruments
• Bus power ribbon cables

Ships fast, fully insured, and securely packed via USPS. Feel free to send a message with any questions!

Please check out my Shop for many other synth modules, cases, keyboards, and audio gear!