EMS VCS 3

The VCS 3 (or VCS3; an initialism for Voltage Controlled Studio, version #3) is a portable analog synthesizer with a flexible modular voice architecture introduced by Electronic Music Studios (London) Limited (EMS) in 1969.[# 1]

User's eye view of the "VCS 3";[# 1] top left, three main oscillators; bottom left, patch panel; bottom right, joystick. External keyboard not shown.
Note: it has printed logo: "V.C.S. 3".

EMS released the product under various names. Logos printed at the console's front left (see photos) say "V.C.S. 3" on the most widely sold version; "The Putney (VCS 3)" on the earlier version; and "The Synthi (VCS 3) II" on the later version (Synthi VCS 3 II).[# 2]

History
Synthi VCS 3 with logo:
"The Putney (VCS 3)"
Synthi VCS 3 II with logo:
"The Synthi (VCS 3) II"

The VCS 3 was created in 1969 by Peter Zinovieff's EMS company. The electronics were designed largely by David Cockerell, and its distinctive appearance was the work of electronic composer Tristram Cary. It was one of the first portable commercially available synthesizers, in the sense that it was housed entirely in a small wooden case, unlike synths from American manufacturers such as Moog Music, ARP and Buchla, which had large cabinets and could take up entire rooms.

The VCS 3 cost just under £330 in 1969. Some people found it unsatisfactory as a melodic instrument due to its inherent tuning instability.[1] This arose from the instrument's reliance on the then current method of exponential conversion of voltage to oscillator frequency—an approach that other companies also implemented with fewer tuning issues. However, the VCS 3 was renowned as an extremely powerful generator of electronic effects and processor of external sounds for its cost.

The first album recorded using only the VCS 3 was The Unusual Classical Synthesizer on Westminster Gold.[2]

The VCS3 was popular among progressive rock bands, and was used on recordings by Franco Battiato, The Moody Blues, The Alan Parsons Project, Jean-Michel Jarre, Todd Rundgren, Hawkwind, Curved Air, Brian Eno (with Roxy Music and as a solo artist or collaborator), King Crimson, The Who, Gong, and Pink Floyd, and many others. The VCS3-generated bass sound at the beginning of Pink Floyd's "Welcome to the Machine" forms the foundation of the song, with its other parts heard in response. Two VCS3's and a Sequencer 256 were featured in the 1978 film 'The Shout'.[3]

The routing matrix on the VCS3

Description

The VCS3 has three oscillators (the first two normal voltage-controlled oscillators; the third a low-frequency oscillator), a noise generator, two input amplifiers, a ring modulator, 24 dB/octave low-pass voltage-controlled filter, a trapezoid envelope generator, a joystick controller, a voltage-controlled spring reverb unit, and two stereo output amplifiers. Unlike most modular synthesiser systems, which used cables to link components, the VCS 3 uses a distinctive patchboard matrix where pins are inserted to connect its components.

Keyboards controller
DK1 keyboard controller (front)
connected to VCS 3 (rear)

Although the VCS 3 is often used for generating sound effects due to lack of a built-in keyboard, external keyboard controllers were available for melodic play. The DK1, produced in 1969, is an early velocity-sensitive monophonic keyboard for VCS 3 with an extra VCO and VCA.[# 3] In 1972 it was extended for duophonic play as DK2.[# 4] Also in 1972, the Synthi AKS was released, as well as a digital sequencer with a touch-sensitive flat keyboard, the KS sequencer,[# 5] and its mechanical keyboard version, DKS.[# 6]

The VCS 3's basic design was reused by EMS in many other of their own products, most notably the EMS Synthi 100 (1971),[# 7] the Synthi A (1971),[# 8] and AKS (1972, essentially a VCS 3 in a plastic briefcase). The AKS also has a sequencer built into the keyboard's lid.[# 9]

A former agent of EMS in the United States, Ionic Industries in Morristown, New Jersey, released a portable-keyboard VCS 3 clone in 1973. The Ionic Performer, whose circuitry is based on the VCS 3's, replaced the patchboard matrix with over 100 push-buttons, and added a built-in keyboard and effects units.[4]

Synthi A
EMS SynthiA (top) as used on stage by a progressive rock band; underneath are an EMS DK keyboard controller, Solina String Ensemble, Optigan, and an M400 Mellotron
EMS Synthi A
Main articles: EMS Synthi A and EMS Synthi AKS

The EMS Synthi A has the same electronics as the VCS 3, but was rehoused in a Spartanite briefcase. Instead of routing signals using patch cables, like Moog products, it uses a patch matrix with resistive pins. The 2700 ohm resistors soldered inside each pin vary in tolerance, indicated by different colours: red pins have 1% tolerance, white have 5%, and green pins are attenuating pins with a resistance of 68,000 ohms.

The later Synthi AKS incorporated an early digital 256 event KS (Keyboard Sequencer) sequencer in the lid, with input provided by a capacitance-sensitive Buchla-style keyboard.

Perhaps its most prominent use is in the introduction to The Alan Parsons Project's I Robot. (1977). VCS 3 synthesisers were also used alongside a traditional chamber music ensemble for the soundtrack to the BBC's Life On Earth nature documentary series, composed by Edward Williams.[5]

Along with Klaus Schulze and Tangerine Dream, other frequent users of the instrument include Cabaret Voltaire, Tim Blake & Miquette Giraudy of Gong, Richard Pinhas of Heldon, Merzbow, Thomas Lehn, Cor Fuhler and Alva Noto.

Development

The original VCS No.1 was a hand-built rack-mount unit with two oscillators, one filter and one envelope, designed by Cockerell before the formation of EMS. When a benefactor, Don Banks, asked Zinovieff for a synthesiser, Zinovieff and Cockerell decided to work together on an instrument that was small and portable but powerful and flexible.

Notable users

References
  1. Reid, Gordon (November 2000). "All About EMS, Part 1". Sound on Sound. Archived from the original on 2016-03-03.
  2. "unusualstuff - krakatack". Sites.google.com. Retrieved 2020-04-12.
  3. "EMS VCS 3 "The Shout" 1978 | Pin Electronics".
  4. Dennis Bathory-Kitsz. "Killer – My Ionic "Performer" Synth (from Ionic Industories, made by Alfred Mayer)".
  5. Power, Mike. 'Release of Life On Earth soundtrack delivers music as pioneering as the show', in The Guardian, 2 November, 2009
  6. "How Brian Eno Created "Discreet Music" | Reverb Machine". reverbmachine.com. 3 September 2019. Retrieved 2022-10-09.
  7. "Flood & Howie B: Producing U2's Pop". Sound On Sound. July 1997. Archived from the original on 2015-06-07.
  8. The, Pink Floyd (1973). The Dark Side Of The Moon (Media notes).: “DAVID GILMOUR Vocals, Guitars, VCS3 / NICK MASON Percussion, Tape Effects / RICHARD WRIGHT Keyboards, Vocals, VCS3 / ROGER WATERS Bass Guitar, Vocals, VCS3, Tape Effects”.
  9. The Cambridge Companion to Krautrock. Cambridge University Press. 27 October 2022. ISBN 9781009041591.

Bibliography
Models
  1. "VCS3 (aka The Putney) – The Products". Electronic Music Studios (Cornwall). Archived from the original on 2013-10-31.
  2. "Synthi VCS3 II – The Products". Electronic Music Studios (Cornwall). Archived from the original on 2013-10-31.
  3. "DK1 (aka The Cricklewood) – The Products". Electronic Music Studios (Cornwall). Archived from the original on 2013-10-31.
  4. "DK2 – The Products". Electronic Music Studios (Cornwall). Archived from the original on 2013-10-31.
  5. "KS – The Products". Electronic Music Studios (Cornwall). Archived from the original on 2013-10-31.
  6. "DKS – The Products". Electronic Music Studios (Cornwall). Archived from the original on 2013-10-31.
  7. "Synthi 100 (formerly Digitana, aka the Delaware) – The Products". Electronic Music Studios (Cornwall).
  8. "Synthi A (formerly Portabella) – The Products". Electronic Music Studios (Cornwall). Archived from the original on 2013-10-31.
  9. "Synthi AKS – The Products". Electronic Music Studios (Cornwall). Archived from the original on 2013-10-31.

Further reading

Official

Articles

modification and resources

Software emulation

  • "XILS 3, 4 and Vocoder 5000". — A VST simulation of a VCS3/VCS4 with Synthi Sequencer, and Vocoder 5000 by XILS-lab
  • "Synthi Avs Plug-In". EMS Rehberg. — A (commercial) VST simulation of a VCS3/Synthi A by EMS Rehberg
  • "Cynthia". — A free VST based on the architecture of VCS3/Synthi A by Ninecows
  • "iVCS3". — Official EMS iOS emulator by apeSoft, with preface by Peter Zinovieff (screen shot)

EMS Synthi A

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