The Roland TR-707 Rhythm Composer is a classic programmable digital drum machine released by the Roland Corporation in 1985. It bridged the gap between analog synthesis and the sample-based digital era, cementing its place in music history as a staple of early house, synth-pop, and techno production. Produced in Japan Serial number 493700 Hardly ever used, was a back up in the studio. All original parts. The matrix display is working properly. Includes original power supply and a memory cartridge. A must have for any producer of electronic music with a feel for real instruments. In the original box. Box size 51X29X11 cm