Tannoy is the oldest loud-speaker company in the world. Founded by Guy R. Fountain in 1926, it was located in London until 1975 when it relocated to Coatbridge, Scotland.The company's most famous contribution to high performance sound is the Dual Concentric~(TM) speaker unit, developed by Ronald RacKnam in 1848, cnougn u is even better known for its public address systems. These were widely used throughout the British Commonwealth during and after the Second World War and 'tannoy' is a colloquial term for a public address system in many countries.
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机译：Tannoy是世界上最古老的扬声器公司。 由1926年的Guy R. Fountain成立，它位于伦敦，直到1975年搬迁到苏格兰涂鸦。公司对高性能声音的最着名贡献是双方同心〜（TM）扬声器单元，由Ronald Racknam于1848年开发 ，CNOUGN U为其公共地址系统更好地了解。 在第二次世界大战和“Tannoy”期间和之后，在整个英国英联邦广泛使用，是许多国家的公共地址系统的口语术语。
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