• Source: Prophet-5

The 5.180.24.3/info/prophet" target="_blank">Prophet-5 is an analog synthesizer manufactured by the American company Sequential. It was designed by Dave Smith and John Bowen in 1977. It was the first polyphonic synthesizer with fully programmable memory.
Before the 5.180.24.3/info/prophet" target="_blank">Prophet-5, synthesizers required users to adjust controls to change sounds, with no guarantee of exactly recreating a sound. Sequential used microprocessors to allow users to recall sounds instantly rather than having to recreate them manually. The 5.180.24.3/info/prophet" target="_blank">Prophet-5 facilitated a move from synthesizers creating unpredictable sounds to producing "a standard package of familiar sounds".: 385 
The 5.180.24.3/info/prophet" target="_blank">Prophet-5 became a market leader and was widely used in popular music and film soundtracks. Between 1978 and 1984, about 6,000 units were produced across three revisions. In 1981, Sequential released a 10-voice, double-keyboard version, the 5.180.24.3/info/prophet" target="_blank">Prophet-10. Sequential introduced new versions in 2020, and it has been emulated in software synthesizers and hardware. Sequential also released several further 5.180.24.3/info/prophet" target="_blank">Prophet synthesizers, such as the 5.180.24.3/info/prophet" target="_blank">Prophet '08.




Development



The 5.180.24.3/info/prophet" target="_blank">Prophet-5 was created in 1977 by the American engineers Dave Smith and John Bowen at Sequential Circuits. At the time, Smith had a full-time job working with microprocessors, a new technology. Smith conceived the idea of combining them with synthesizer chips to create a programmable synthesizer; this would allow users to save sounds to memory, rather than having to recreate them manually. He did not pursue the idea, assuming Moog or ARP would design the instrument first. When no instrument emerged, in early 1977, Smith quit his job to work full-time on the idea.
Initially, Smith and Bowen developed the 5.180.24.3/info/prophet" target="_blank">Prophet-10, a synthesizer with ten voices of polyphony. However, it was unstable and quickly overheated, creating tuning problems. Smith and Bowen removed half the electronics, reducing the voices to five and creating the 5.180.24.3/info/prophet" target="_blank">Prophet-5. Smith demonstrated the 5.180.24.3/info/prophet" target="_blank">Prophet-5 at the NAMM Convention in January 1978 and shipped the first models later that year.




= Production

=
Three versions were built between 1978 and 1984. The first, Revision 1, was hand-assembled and produced quickly to generate initial revenue; only 182 were made. Revision 2 was mass-produced in quantities over 1,000; this model was more robust, added cassette patch storage, and replaced the koa wood casing with walnut. Revision 3 replaced the Solid State Music (SSM) chipset with Curtis (CEM) chips, necessitating a major redesign. According to Sound on Sound, Revision 3 "remained impressive and pleasant to play, but was slightly cold and featureless by comparison to earlier models". In all, approximately 6,000 5.180.24.3/info/prophet" target="_blank">Prophet-5 synthesizers were produced.

In 1981, Sequential Circuits released the 5.180.24.3/info/prophet" target="_blank">Prophet-10, featuring 10 voices, 20 oscillators, and a double manual keyboard. Like the 5.180.24.3/info/prophet" target="_blank">Prophet-5 Revision 3, it uses CEM chips. The first 5.180.24.3/info/prophet" target="_blank">Prophet-10s used an Exatron Stringy Floppy drive for saving patches and storing sequencer data. Sequential later moved to a Braemar tape drive, which was more reliable and could store about four times as many sequencer events.
In 2020, Sequential released a new version, the 5.180.24.3/info/prophet" target="_blank">Prophet-5 Rev4, with additional memory and features. They also released a new version of the 5.180.24.3/info/prophet" target="_blank">Prophet-10, with the same external design as the 5.180.24.3/info/prophet" target="_blank">Prophet-5.




Features


Unlike its nearest competitor in the 1970s, the Yamaha CS-80, the 5.180.24.3/info/prophet" target="_blank">Prophet-5 has patch memory, allowing users to store sounds rather than having to reprogram them manually. It has a proprietary serial interface that allows the user to play using the 5.180.24.3/info/prophet" target="_blank">Prophet Remote, a sling-style keytar controller; the interface cannot connect the 5.180.24.3/info/prophet" target="_blank">Prophet-5 to other devices. Sequential produced a MIDI interface that could be retrofitted to later 5.180.24.3/info/prophet" target="_blank">Prophet-5 models. Third-party MIDI interfaces have also been offered.




Impact


Before the 5.180.24.3/info/prophet" target="_blank">Prophet-5, synthesizers required users to adjust cables and knobs to change sounds, with no guarantee of exactly recreating a sound. The 5.180.24.3/info/prophet" target="_blank">Prophet-5, with its ability to save sounds to patch memory, facilitated a move from synthesizers creating unpredictable sounds to producing "a standard package of familiar sounds".: 385  The 5.180.24.3/info/prophet" target="_blank">Prophet-5 became a market leader and industry standard. According to MusicRadar, the 5.180.24.3/info/prophet" target="_blank">Prophet-5 "changed the world – simple as that".
The Cars keyboardist Greg Hawkes used the 5.180.24.3/info/prophet" target="_blank">Prophet-5 for the hits "Let's Go" (1979) and "Shake It Up" (1981). Kraftwerk used it on their 1981 "Computer World" Tour, and Phil Collins used it on his 1981 single "In the Air Tonight". Japan used it frequently, such as on their 1982 hit single "Ghosts". Michael Jackson used it extensively on Thriller (1982), and Madonna used it on Like a Virgin (1984). Peter Gabriel considered the 5.180.24.3/info/prophet" target="_blank">Prophet-5 his "old warhorse", using it for many sounds on his 1986 album So. Brad Fiedel used a 5.180.24.3/info/prophet" target="_blank">Prophet-10 to record the soundtrack for The Terminator (1984), and the filmmaker John Carpenter used both the 5.180.24.3/info/prophet" target="_blank">Prophet-5 and 5.180.24.3/info/prophet" target="_blank">Prophet-10 extensively for his soundtracks. The Greek composer Vangelis used the 5.180.24.3/info/prophet" target="_blank">Prophet-5 and the 5.180.24.3/info/prophet" target="_blank">Prophet-10, such as in the soundtrack of Blade Runner (1982).
The 5.180.24.3/info/prophet" target="_blank">Prophet-5 was widely used by 1980s synth pop acts such as Orchestral Manoeuvres in the Dark, Tears for Fears, Thompson Twins, Thomas Dolby, Devo, Eurythmics, Soft Cell, Vince Clarke and Pet Shop Boys. Radiohead used it on their 2000 album Kid A, on songs including "Everything In Its Right Place". Other users include Giorgio Moroder, Tony Banks, Tangerine Dream, Jean-Michel Jarre, Dr. Dre, Richard Wright of Pink Floyd, Rick Wakeman, Pendulum, BT and John Harrison.




Successors and emulations



Smith released several synthesizers with the 5.180.24.3/info/prophet" target="_blank">Prophet name, including the Pro-One, the 5.180.24.3/info/prophet" target="_blank">Prophet VS, the 5.180.24.3/info/prophet" target="_blank">Prophet '08 and the 5.180.24.3/info/prophet" target="_blank">Prophet-6. They also released samplers, such as the 5.180.24.3/info/prophet" target="_blank">Prophet 2000 and the 5.180.24.3/info/prophet" target="_blank">Prophet 3000. In 2020, Sequential announced a new version of the 5.180.24.3/info/prophet" target="_blank">Prophet-5, the Rev 4. It adds features including USB and MIDI connectivity, velocity and aftertouch sensitivity, polyphonic glide, and two sets of filters. Sequential also announced a new 5.180.24.3/info/prophet" target="_blank">Prophet-10, initially released as a ten-voice single manual monotimbral version of the Rev 4.
Bowen provided consultation for Native Instruments during the development of the Pro 5 software synthesizer emulation, released in 1999. It was followed by the Pro 52 in 2000 and the Pro 53 in 2003. Bowen also provided consultation for Creamware for their 2003 software emulations, the 5.180.24.3/info/prophet" target="_blank">Prophet and 5.180.24.3/info/prophet" target="_blank">Prophet Plus. Arturia, U-he and Softube released emulations in 2006, 2018 and 2023. Hardware clones include the upcoming Behringer Pro-16, and PikoPiko Factory's open-source Profree-4, released in 2022.




References






Further reading



"5.180.24.3/info/prophet" target="_blank">Prophet 5". Music Technology. Vol. 2, no. 12. October 1988. p. 42. ISSN 0957-6606. OCLC 24835173.
"Retro: SCI 5.180.24.3/info/prophet" target="_blank">Prophet 5". Future Music. No. 47. Future Publishing. September 1996. p. 53. ISSN 0967-0378. OCLC 1032779031.




External links


5.180.24.3/info/prophet" target="_blank">Prophet-5 profile on Vintage Synth Explorer

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