EMS Synthi 100

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The EMS Synthi 100 was a large analogue synthesizer made by Electronic Music Studios (London) Ltd. It was released in 1974 and cost $25,000. Around 30 units (29, according to some sources) were built during the 1970s and 1980s.

The Synthi 100 was developed from a combination of three VSC-3 Systems, ending up with 12 VCOs, two keyboards (each of it duophonic, making it possible to play 4 voices simultaneoously), and a 3-track 256-step monophonic digital sequencer. Two 64 x 64 patchbays were used to connect the different modules. The keyboard spread could/had to be adjusted, making it difficult to play a tuned temperated scale for a longer time, but allow for alternative tunings easily.

The sound of the Synthi-100 was subtly distinct from the VCS-3. Both filters and oscillators were much more stable in the Synthi-100. The instrument, however, was very sensitive to temperature changes, so it required repeated re-tuning.

[edit] Users

One Synthi 100 was sold to the BBC Radiophonic Workshop. It was used to generate music sound effects for the BBC's radio and television shows, including Doctor Who and the Hitchhiker's Guide To The Galaxy radio series.

The Synthi 100 owned by Jack Dangers can be heard being used extensively on electronica group Meat Beat Manifesto's album R.U.O.K.?. Many photos from that album's CD sleeve are close-up photos of the Synthi 100's control panels and displays. It is said that his unit is the only one still in working condition, however, at least the university of Osnabrück, Germany, owns one and uses it in their department of music.

Bruno Spoerri's Synthi-100 was offered for sale in May 1979 for SFr. 48,000 with "new filters, additional envelope shapers, inverters, additional inputs, etc..."

The Synthi 100 was used by Elizabeth Parker with the BBC Radiophonic Workshop and Karlheinz Stockhausen - on "Zodiac" and "Sirius".

[edit] External links

• Synth Museum article
• Synthi 100 under EMS at vintagesynth.com
• Inventory of the University of Osnabrück with a Synthi 100 labelled "Synthi 200"