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output triode 6S4S - (NOS)
Vintage russian output triode 6S4S (6C4C) - electron tube of exceptional quality made by Svetlana, St.Petersburg (winged "C") factory. It is direct replacement for the american 6B4G tubes. It is also very similar to the 2A3 tube, but with 6,3 V heater and an octal base. Other parameters are identical. New old stock tubes, directly from the factory packing. Version with the lower bakelite base. Year of production: 1974
(we reserve the right to change the description and specifications without prior notice)