6P15P (6П15П) pentode for output stages of high frequency amplifiers. Service life guarantee: not less than 3000 operating hours (under prescribed conditions). Direct replacement for the SV83 tubes from the Svetlana Electron Devices and close to the EL83 tube, but with a different pinout. New in box tubes (please look at the gallery pictures). Tested. Years of production: 1965-1967.