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The 547 vertical amplifier was designed by [[Keith Taylor]]. | The 547 vertical amplifier was designed by [[Keith Taylor]]. | ||
According to [[Phil Crosby]]'s account of the [[556]] development, [[Oliver Dalton]] invented the 547's "Sweep Switching" feature. | According to [[Phil Crosby]]'s account of the [[556]] development, [[Oliver Dalton]] invented the 547's "Sweep Switching" feature. | ||
{{BeginSpecs}} | {{BeginSpecs}} |