Product : DS-2 Manufacturer : OBERHEIM Release date : 1974 Country : USA
Comments : Digital Sequencer, usable on 3620 ARP Keyboard (ARP 2600) or Minimoog.
DS-2 is, in some way, the big brother of DSX Sequencer.
Probably one the very first digital sequencer.
Note that Minisequencer on TVS-1A was an analog sequencer.