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.

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:

External triggering and powered enclosure

An 8 HP trigger expander Eurorack module is currently available. The powered enclosure is currently sold out. Availability TBA later in 2021.

Open Source

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


The 880 is currently sold out.  Spring 2021: We are planning a third production run. Availability will be approximately late 2021.  Sign up to the pre-order list to reserve one. Pricing is in US dollars ($USD)

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