Manufactured by Truvox, of Wembley, London, the Wavox is an Art Deco-esque extension speaker of the 1950s. Truvox manufactured public address systems, cinema speaker systems, industrial cleaning machines, and heaters. In 1949 it acquired Rola Celestion, but disappeared in 1969 through a reverse take-over. Celestion Industries Plc now uses Truvox as a brand name for loudspeakers.
Housing a Merco speaker, the case is made of a casein-based polymer. Casein is a phosphoprotein present in milk, more commonly used in making cheese. Casein polymer is these days used in any volume only for making buttons. Wavox extension speakers were available in a small range of rather unpleasant colour-ways, including blue/pink. This example is a much more sedate combination of gloss black and matte off-white.
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