Roland Alpha Juno

Roland Alpha Juno is a series of synthesizer keyboards. They were made by the Roland Corporation from 1985 to 1986. Two main models were released: the Alpha Juno 1 (JU-1) (1985–1986) and the Alpha Juno 2 (JU-2) (1985–1986).
The JU-2 added one octave of notes and a slot for cartridges.