Matched pair 6S19P-V (6C19П-B). Vintage small soviet power triodes of improved mechanical strength and maximum anode dissipation of 11W. These tubes are direct replacement for the chinese 6C19 (Beijing). Nowadays they are used in different amplifiers like Xduoo TA-03S, OldBuffalo 6C19, Eufonika Model H20 and others. Because of its characteristics, these triodes are also very interesting for DIY projects. Service life guarantee: more than 1000 operating hours, when running under prescribed conditions. Tested and measured with the L3-3 tube tester, matched in pairs. New old stock, directly from the old reserves. Will be delivered in modern white boxes. Years of production: 1976-1978.