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The company was founded by Peter J. Walker in 1936 in London, and was initially called S.P. Fidelity Sound Systems. In 1936 the name was changed to the Acoustical Manufacturing Co. Ltd. The company moved from London to Huntingdon in 1941 after being bombed out of London in World War II.
Late version Quad "ESL-57" loudspeaker with black grilles and rosewood end caps. The Quad Electrostatic Loudspeaker (ESL) is the world's first production full-range electrostatic loudspeaker, launched in 1957 by Quad Electroacoustics, then known as the Acoustical Manufacturing Co. Ltd. [1] The speaker is shaped somewhat like a home electric radiator curved slightly on the vertical axis.
Quad Electroacoustics: United Kingdom (brand) Radio Shack: United States RCF audio: Italy Rectilinear Research Corporation: United States Rega Research: United Kingdom Renkus-Heinz: United States ReVox: Switzerland Rogers International: United Kingdom (brand) Sansui: Japan Sherwood: United States SMS Audio: United States Snell: United States ...
Edgar Marion Villchur (28 May 1917 – 17 October 2011 [2]) was an American inventor, [2] educator, and writer widely known for his 1954 invention of the acoustic suspension loudspeaker which revolutionized the field of high-fidelity equipment.
CD1 advert with Stan Curtis. Between the 1980s and 1990s, Cambridge Audio changed owners a few more times, with the business sold to UK hi-fi entrepreneur Vince Adams, in 1980, and relaunched as Cambridge Audio Research Ltd. Financial difficulties for the parent company in 1984 led to Cambridge Audio Research being taken over by Stan and Angie Curtis and renamed Cambridge Audio International.
Keith Raniere, the ex-leader of NXIVM, was convicted in 2019 of seven counts that included racketeering, racketeering conspiracy, wire fraud conspiracy, forced labor conspiracy, sex trafficking ...
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