Vacuum tube 12AT7/ЕСС81 Mullard is a miniature twin triode with equipotential cathodes, designed to amplify low frequency voltage in radio engineering devices.
Founded in 1920 in Southsfield, London, Mullard became known world wide for their reliable, high-quality components and vacuum tubes or “valves”. Today’s new production Mullard tubes are constructed with the same commitment to quality and reliability.
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