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output pentode 3A4 - (NOS)
Miniature output pentode 3A4 from manufacturer Tungsram is a direct replacement for the DL93, 2P3, CV2390 and CV807 tubes. It may additionaly substitute the 3L31 from Tesla, but 3L31 has only half of the 3A4's heater current (50 mA vs. 100 mA), thats the only difference. New old stock tubes, directly from the factory packing Year of production: 1965 (O2 and N2 codes). OTK stamp from 1969 (please look at the gallery pictures).
(we reserve the right to change the description and specifications without prior notice)