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date: 09 July 2020


  • Tony Bacon


British amplifier manufacturer. After requests from British rock guitarists and bass players who needed an affordable amplifier capable of high sound levels, the drum teacher and music shop owner Jim Marshall teamed up with his service engineer Ken Bran in 1962 to produce a British-made musical instrument amplifier based on the Californian-made Fender Bassman. Marshall and Bran’s amplifiers were soon developed into the famous ‘Marshall stack’, consisting of an amplifier head containing the valves, circuitry and controls sitting on top of two ‘four-by-twelve’ cabinets, each containing four Celestion 12-inch (30·48 cm) loudspeakers. Delivering 50 watts RMS and frequently more, the ‘stacks’ provided exactly the sort of high power demanded by emerging players such as Pete Townshend of The Who and Jimi Hendrix. Players such as these were playing electric guitars through Marshall amplifiers at increasingly extreme volume levels in the late 1960s as venues became larger and outdoor festivals more popular. Marshall also produced ‘combo’ amplifiers which combined the amplifier and loudspeakers within one cabinet. Building on the fame of their early innovations, Marshall has become a leading supplier of equipment wherever high quality and high volume amplification is required....

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