Super Beatle

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Vox (musical Equipment) - History - Other Amplifiers
... Once The Beatles became tied to Vox amplifiers (a deal was struck early in their recording career whereby they would be provided Vox equipment for exclusive stage use ... As the crowds at Beatles shows got louder, they needed louder amps to keep up ... rigs, with 4x12"/2-horn configurations.In 1966 and 1967 The Beatles had several prototype or specially-built Vox amplifiers, including hybrid tube/solid-state units ...