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Roland Jupiter 8 is an eight-voice polyphonic analog subtractive synthesizer introduced by Roland Corporation in early 1981. The Roland Jupiter 8 was Roland’s flagship synthesizer for the first half of the 1980s. Although it lacked the soon-to-be standard of MIDI control.
The Roland TR808 Rhythm Composer (a.k.a. the “808”) was one of the first programmable drum machines (“TR” serving as an initial ism for Transistor Rhythm). Introduced by the Roland Corporation in early 1980, it was originally manufactured for use as a tool for studio musicians to create demos. Like earlier Roland drum machines, it does not sound very much like a real drum kit. The TR-808 cost US$1,195 upon its release. Drum machines in general became an integral part of hip hop music as a cheap and simple way of producing a drum sound.
The ARP 2600 was produced in early 1971 and is known as the “Blue Marvin”.The ARP 2600 is a semi-modular analog subtractive audio synthesizer, designed by Alan R. Pearlman with Dennis Colin, and manufactured by his company, ARP Instruments, Inc. as the follow-on version of the ARP 2500. The ARP 2600 was semi-modular with a fixed selection of basic synthesizer components internally pre-wired. The ARP 2600 was thus ideal for musicians new to synthesis, due to its ability to be operated either with or without patch cords.