One of the greatest analog synths of all time, the Jupiter 8 features eight voices of polyphony with two oscillators per voice, which combined with Roland's classic chorus effects makes for some amazingly wide, thick sounds. Features a fat resonant low-pass filter, along with an optional high-pass filter and an array of envelope and LFO modulation options.Vintage Rare,Years of Production: 1981 - 1984,Number of Keys: 61 ,Polyphony: 8 voicesI/O: Audio, CV