E-mu Audity

The E-mu Audity was a digitally controlled,[1] analog synthesizer made in 1978. It was inspired by Tangerine Dream's Peter Baumann,[2] and eventually evolved into a state-of-the-art, 16-voice polyphonic analog synthesizer with an included digital keyboard and sequencer that was intended to compete with Sequential Circuits' Prophet 5. The project was funded with royalties from Sequential Circuits for their use of E-mu's digital scanning technology in their keyboards, and was to be sold for $69,200 (approximately $199,000, when adjusted for inflation in 2016).[3]

Only one Audity ever came off the assembly line. It was exhibited at the May 1980 AES convention,[4] but soon after Sequential Circuits notified E-mu that it was not going to continue paying royalties, which ensured the Audity's death.[1][5][6] However, research on the Audity led to the development of the influential and successful Emulator, one of the very first digital sampling keyboards.

The only Audity ever made resides at the CANTOS Music Foundation in Calgary and no longer functions.


  1. 1 2 Jenkins, Mark (2007). Analog synthesizers: understanding, performing, buying: from the legacy of Moog to software synthesis. Elsevier. p. 125. ISBN 978-0-240-52072-8.
  2. Colbeck, Julian (1996). Keyfax omnibus edition. MixBooks. p. 29. ISBN 978-0-918371-08-9.
  3. Chadabe, Joel (1997). Electric sound: the past and promise of electronic music. Prentice Hall. p. 187. ISBN 978-0-13-303231-4.
  4. Milner, Greg (2010). Perfecting Sound Forever: An Aural History of Recorded Music. Macmillan. p. 280. ISBN 978-0-86547-938-8.
  5. E-mu Audity | Vintage Synth Explorer
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