Williamson amplifier, home-constructed

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Williamson amplifier, home-constructed
Manufacturer	W J Geddes
Production years	c. 1949
Production location	(unknown)

The development in the mid-1940s of ‘full frequency range recording’ by Arthur Haddy of the Decca Record Co led to greater interest in improved reproduction. D T N Williamson of GEC designed a high quality amplifier in 1945-6 with impressive performance. The design was published in the magazine Wireless World during 1947 and caused a sensation. Despite a tight specification the amplifier could be built by a skilled amateur at low cost by purchasing the components separately. Hi-fi performance was brought to many enthusiasts world-wide and greatly stimulated the audio industry. This particular amplifier was built in about 1952 by W J Geddes, father of Keith Geddes, the Science Museum’s curator of Radio Communication between 1968 and 1986.

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[edit] In the Science Museum's Records

Inv. No: 1982-1556 Source: W J Geddes