Tannoy

"Tannoy" is a trademark of the UK company Tannoy Ltd, a manufacturer of public address systems; "Hear Believe" is their slogan. "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 is often associated to the UK record company FM-Revolver Records Ltd..