1980's Yamaha SY55

Tested in good working condition, needs a new internal battery and has one chipped key (still triggers). Backlight is still nice a bright on this one. 

Yamaha SY-55 (430 Words) The Yamaha SY-55 was released a year after their TG550 Tone Generator and apart from the attached keyboard, these two share a lot of similarities. The SY-55 is a digital workstation that is based on samples-playback and also one of the first rompler workstations by Yamaha to ditch the DX7 FM synthesis.