EMS Synthi A
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The EMS Synthi A is a portable analog synthesizer (electronic musical instrument) made by Electronic Music Studios (London) Ltd (EMS) in 1971. It uses exactly the same electronics as the VCS 3, rehoused in a Spartanite briefcase. Instead of routing signals using patch cables, as a Moog did, it uses a patch matrix with resistive pins. The 2700 ohm resistors soldered inside the pin vary in tolerance 5% variance and later 1%; the pins have different colours: the 'red' pins have 1% tolerance and the 'white' have 5% while the 'green' pins are attenuating pins having a resistance of 68,000 ohms.
Perhaps its most prominent use is in Pink Floyd's "On the Run" from their 1973 album The Dark Side of the Moon. Along with Klaus Schulze and Tangerine Dream, other frequent users of the instrument include Tim Blake & Miquette Giraudy of Gong, Richard Pinhas of Heldon, Merzbow and Alva Noto.
The Synthi A is still in production but it is an 18-month wait for a new unit with slightly different specifications to those of the original 1970s units. All versions are rare and expensive. Cost for a new unit in 2009 ranged between $7500 and $12,000 US. A KS sequencer alone sold for $3500 in 2006. Update based on various forum posts - the 18 month wait is more like 12 – 15 years and the waiting list is closed for the Synthi A as there are no more Spartanite briefcases to fit them into.
- "EMS' homepage (last updated August 1998)". Cornwall: Electronic Music Studios. Archived from the original on 2013-11-25.
- "Every Nun Needs a Synthi" (ad). Archived from the original on 2012-07-17.
- "VCS3 & Synthi A Modifications". Hinton Instruments. (last updated 2013-12-14)
- "Synthi A-VS plugin". Germany: EMS Rehberg. — A commercial VST simulation of a Synthi A by German EMS
- A freeware VST simulation of a Synthi A
- The EMS SYNTHI BLOG