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Leak TL/12 'Point One' amplifier, c 1952-1955.

Leak  TL/12 'Point One' amplifier, c 1952-1955.
3 4 c m
actual image size: 32cm x 26cm


H J Leak & Co, established 1934 by Harold Joseph Leak (1907-1989), first released the TL/12 audio power amplifier in 1948, heralding an advance towards domestic high-fidelity sound reproduction. With an output of 12 Watts at 0.1% distortion, and a stable, sensitive 3-stage circuit, the TL/12 was the most popular British amplifier of its day. Modified versions of the TL/12 were produced until around 1955, with the original bronze-coloured stove enamel finish being replaced with a gold finish in about 1952.

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