Tannoy Ltd is a British manufacturer of loudspeakers and public-address (PA) systems. The company was founded as Tulsemere Manufacturing Company in London in 1926. The name Tannoy is a syllabic abbreviation of tantalum alloy, which was the material used in a type of electrolytic rectifier developed by the company. The brand had been trademarked by 10 March 1932, on which date the Tulsemere Manufacturing Company was formally registered as Guy R. Fountain Limited. It became a household name as a r… (More on Tannoy)