60 HP


28 mm


110 mA +12V
70 mA −12V



Analog Drum Machine for Eurorack


The System80 880 is a recreation of the classic analog drum machine of the 1980s reformatted into a 60 HP Eurorack module.  It couples the 16 analog drum voices of the original to an enhanced TR-style step sequencer.


  • 16 analog drum voices (6 single voices, 5 switchable dual voices) with global accent
  • Pattern sequencer with 1-32 steps
  • 12 banks of 16 patterns
  • 12 rhythm tracks
  • Shuffle and roll modes
  • External MIDI triggering of drum voices
  • 11 individual drum voice outputs + master output with volume control
  • 2 assignable trigger outputs
  • External sync via MIDI clock, DIN Sync or clock pulse.


Spring 2024:  A fourth production run is in progress. Sign up to the pre-order list to reserve an 880. Pricing is in US dollars ($USD).

External triggering and powered enclosure

An 8 HP trigger expander Eurorack module and a powered enclosure are available for pre-order. Please contact us for more information if you wish to order one for your 880.

Operation Manual [PDF]

Latest Firmware


Clean breaks:


Processed with Eurorack effects by beta tester Solvent:


and a track by beta tester mimoid:


There are also these videos that feature the 880:


Open Source

The 880 has a non-commercial open source license. The design files and firmware are available on Github.

Our modules are manufactured in Toronto, Canada using local labor for panel fabrication, robotic circuit board assembly and final hand assembly and testing.