H.J. Leak & Co | in High Fidelity since 1934 | London

LEAK Stereo 20 Valve Tube Amp & Varislope | by Masaru Nishioka
LEAK Stereo 20 Valve Tube Amp & Varislope

In 1934 Harold Joseph Leak founded H.J. Leak & Co in London, UK – and promotes the company with his own name, adversting himself as “Sound Engineer – Technician”. In 1936 Leak & Co. release a P.A. Amplifier, with exhibits at Olympia Exhibition. 13 Watts output using push-pull PX25 power triodes. 40Hz to 12kHz +/- 1dB.

H.J. Leak does not appear in listings of exhibitors for Olympia, so the company may have used another company’s stand for the exhibit). This amplifer was supposedly advertised in Wireless World around 1938, although a search has failed to locate the advertisement. About 1949/1950 the Leak “550” two-way moving coil loudspeaker was released. This loudspeaker was used in the many live-versus reproduced sound demonstrations Harold Leak conducted. Harold Leak died on August 27, 1989.

Source: www.44bx.com/leak

Leak Stereo "Varislope" Valve Pre-Amplifier Mullard valves-nice condition

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Quad set Mullard E180CC 12AT7JAN N O S Audio tubes-Box Plate Leak Valve amp

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