Roland

The Roland TR-606 Drumatix is a drum machine built by the Roland Corporation from 1981 to 1984. It was originally designed to be used with the Roland TB-303, a monophonic analog bass synthesizer, to provide a simple drum and bass accompaniment to guitarists without backing bands.

The TR-606 was used by punk rock/noise rock band Big Black and was credited on their records as "Roland". Steve Albini later reflected on the TR-606: "When I first got the 606 I carried it around and listened to it like a Walkman, and over the course of a day I would gradually build and re-build a rhythm until it was satisfying to listen to on its own... Drum machines can be cool instruments with a lot of character. I was always disappointed when I heard one being used clumsily, which was most of the time."

via Wikipedia