MC-303[?] The first non-keyboard drum machine, sample based synthesizer and sequencer combination bearing the now generic term "Groovebox."
MC-505[?] Successor to the MC-303 with more powerful synthesizer and sequencer. Featuring "Megamix."
MC-909[?] 2002 Successor to the MC Groovebox series featuring a full 16 track sequencer and sampling built in.
Roland RE-201[?]: Renowned 'Space-Echo' machine - arguably the most popular tape-echo produced
Roland SH-1000[?]: Claimed by Roland to be Japan's first commercial keyboard synthesizer
Roland SH-101[?]: Monophonic[?] synthesizer designed to be worn hung around the neck with a strap, with an optional modulation attachment that protruded like the neck of a guitar
Roland TR-808: One of the first and most popular of the programmable drum machines and the sounds that are particular to that machine have become pop music cliches, heard on countless recordings