2 x 5C3S 5U4G PAR EMPAREJADO SVETLANA 66/67'y OTK 1 tubos audiófilos NUEVOS

5C3S / 5Ц3С / 5U4G. 1966/7'y Made, OTK - 1. by =C= Svetlana Factory for the Soviet Military Needs. ELECTRICALLY Matched PAIR.

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