Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 149,270 pages of information and 234,239 images on early companies, their products and the people who designed and built them.


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August 1948
August 1948
January 1949.
March 1949.
May 1949.
June 1949.
September 1953.
June 1955.
October 1961.

Truvox Ltd, of Mount Street, London

of Wembley

Truvox established as private company by Daniel Dan Prenn, a Russian emigre.

Truvox was well known for its Public Address loudspeakers and systems. These covered the whole spectrum of this market and included such units as horns and loudspeakers for cinemas and many acoustic devices for the Forces which Truvox had developed and produced during World War Two.

1949 Truvox acquired Rola Celestion.

1951 Private company.

1961 Manufacturers of industrial floor cleaning machines, tape recording and acoustical equipment, including Truvox industrial scrubbing, drying and polishing machines; Husky industrial polisher/scrubber; Juno domestic floor polisher; Truvox cylinder and upright vacs; Novalux electric fan heaters; Truvox tape recorders, models R6 and R7, Melody and Harmony, Truvox radio jacks, stethoset headphones; telephone attachments. 150 employees. [1]

1963 Two of Truvox Engineering Co's subsidiaries supplied lighting equipment for the new studio 1 in BBC Television Centre - Raymond Hart Associates and Autolifts and Engineering Co[2]

1967 Controls and Communications acquired Truvox (tape recorders and equipment) from Truvox (Neasden), which had previously been controlled by D. D. Prenn's family trusts.[3]

1969 Controls and Communications was acquired by Racal.[4]

1969 Reverse take-over of Truvox Engineering, "the Rola firm", which was injected into the Weingarten Brothers corsetry group; this transaction valued the owner (D. D. Prenn)'s shares at £1.26 million; the assets of Truvox included £1 million worth of Racal Electronics shares.[5] The company created by this was named Celestion Industries plc.[6]

See Also


Sources of Information

  1. 1961 Dun and Bradstreet KBE
  2. The Times, Apr 16, 1963
  3. The Times, 17 August 1967
  4. The Times 7 January 1969
  5. The Times, 6 December 1969
  6. The Times, 30 December 1969