6P3S 6L6GC 6P3P MATCHED QUAD (4pcs) TUBES / VALVES NEW NOS
(6P3S (6П3С) Tetrode 100% New Item. Lot of 4 (Matched & Balanced Quartet ). The tubes are new and never used. We test our tubes from this type on High-End Military Tube Tester: L3-3. less expensive).