Mullard Circuits for Audio Amplifiers is a famous book by the Technical Services Department of Mullard Ltd, a British valve manufacturing company. First published in 1959 and then reprinted several times it contained a number of designs by Mullard engineers for high quality audio amplifiers, which were to be used by

amateur An amateur () is generally considered a person who pursues an avocation independent from their source of income. Amateurs and their pursuits are also described as popular, informal, autodidacticism, self-taught, user-generated, do it yourself, DI ...

constructors as well as by manufacturers as the basis for many products that formed part of the high fidelity audio movement in Britain in the 1960s. Particularly iconic designs were the Mullard 5-10 and the

Mullard 5-20 Mullard Limited was a British manufacturer of electronic components. The Mullard Radio Valve Co. Ltd. of Southfields, London, was founded in 1920 by Captain Stanley R. Mullard, who had previously designed thermionic valves for the Admira ...

, ten and twenty watt

power amplifier An audio power amplifier (or power amp) is an electronic amplifier that amplifies low-power electronic audio signals, such as the signal from a radio receiver or an electric guitar pickup, to a level that is high enough for driving loudspea ...

s.Hi Fi collective - description
/ref> Circuits for preamplifiers with tone controls and tape recorder amplifiers were also included, along with information regarding record and tape equalisation standards.

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See also