of Canterbury Grove, West Norwood, London, SE27
also of Coatbridge, Strathclyde (1982)
The name Tannoy is synonymous with public address systems.
c.1931 Guy R. Fountain invented a solid-state rectifier made from an alloy of Tantalum and Lead. The brand name Tannoy was coined from the words Tantalum-Lead Alloy. Fountain set up a small factory in Dalton Road, West Norwood to manufacture the rectifiers.
Tannoy was commissioned to supply a sound reinforcement system to a famous European circus.
1933 Fountain produced Tannoy’s first two-way loudspeaker system.
1934 Offered a complete range of microphones, loudspeakers and amplifiers.
1936 Advert: Tannoy Sound Products: Guy R Fountain Ltd
1937 Acoustic engineers and manufacturers of sound amplifying equipment. "Tannoy" Sound Amplifying Equipment.
WWII Communication systems supplied for airfields, submarines and command systems. It was during this period that the company become known for the Tannoy public address system.
1948 Winding up order against Guy R Fountain Ltd
1948 Launch of Tannoy’s first Dual Concentric™ loudspeaker. This was and still remains the core of their success. Chief Engineer at the time, Ronnie H Rackham, combined a high frequency compression horn drive unit with a 15inch direct radiating bass driver. This unique design was then implemented in all the loudspeaker ranges.
1976 Production moved to a new factory at Coatbridge, Scotland.
1981 Management buyout of the loudspeakers business from Beatrice Foods
2002 Tannoy merged with the Danish TC Group of companies.
Sources of Information
- Tannoy Website 
- 1937 The Aeroplane Directory of the Aviation and Allied Industries
- The Times 29 June 1948
- The Times May 29, 1986
- The Times 26 January 1982
- The Times 15 January 1988
- Tannoy System - Company History 
- The Tannoy Story by Julian Alderton. 2004 and 2019.