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The transistorized microphone "Leader-306-mono" since the beginning of 1982 has been produced by the Saratov plant "Korpus".
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Portable electrophone of the 3rd class "Leader-306-mono" is intended for reproduction of gramophone records of all formats.
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The electrophone consists of a two-speed player with a hitchhiking and a microlift, a sound reproducing device with two heads of the 2GD-40 type, which has a volume and tone control for LF, HF.
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The microphone is powered from the mains, a built-in source of six A-373 elements with a voltage of 9 volts and an external source.
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Basic parameters: Rated output power when powered from the mains 4 W, batteries 0.8 W.
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The nominal frequency range for sound pressure is 100 ... 10000 Hz.
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Detonation coefficient 0.2%.
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Electrophone dimensions - 390x287x155.
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Its weight is 7.2 kg.
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