KLF
1984 - Roland Juno-106: A widely used synthesizer with digitally controlled oscillators. Same synth engine as the Roland Juno-60 but with the addition of MIDI and the ability to transmit button and slider information through SysEx. Still, no MIDI control of volume in real time.
1986 - Roland JX-10: One of Roland's last true analog synths.
1986 - Roland RD-1000: Roland's first digital piano to feature Roland SA Synthesis technology
1987 - Roland D-50: One of the most popular digital synthesizers; Roland's first all-digital synthesizer implementing its Linear Arithmetic synthesis (a form of sample-based synthesis combined with subtractive synthesis). The D-50's descendants include the D-5, D-10, D-110 (rack unit), and D-20 synthesizers.
1987 - Roland MT-32: Also using Linear Arithmetic synthesis, it was supported by many PC games in the late 1980s and early 1990s as a high-quality music option until support shifted to General MIDI sound cards.
1988 - Roland E-20: Roland's first entry into the auto-accompaniment keyboard market, going head to head with Yamaha and Casio. The E-20's descendants include the E-70, E-86, G-800, G-1000 and the current G-70.
1989 - Roland Octapad: A set of visually distinctive electronic drum triggers.
1989 - Roland W-30: A sampling Workstation Keyboard (DAW).
1989 - Roland D-70: 76-key synth. Successor to the D-50
1990 - Roland HP-3700: Roland digital piano.
1991 - Roland SC-55 Sound Canvas: The world's first General MIDI synthesizer.
1991 - Roland JD-800: Digital synthesizer with analog style knobs and switches.
1992 - Roland DJ-70: A DJ sampling music workstation and synthesizer keyboard that featured the first scratch wheel pad.
1993 - Roland JV-1000: Sort of a combination of the MC 50MkII and the JV-80.
1994 - Roland MS-1: 16 bit AD/DA conversion, First Portable Digital stereo Phrase Sampler, with R-DAC (Roland Digital Audio Coding).
1994 - Roland S-760: 16 bits Digital sampler with resonant filters.
1994 - Roland JV-1080: aka Super JV-1080, a 64-Voice Synthesizer Module. Used on more recordings than any other module in history, the JV-1080 boasts a full range of acclaimed Roland sounds, as well as four expansion slots.
1994 - Roland JV-90: 76-note expandable synth.