Electron tube 6S45P-E (6C45П-E) is a rugged triode with very high mutual conductance, designed for usage in wideband amplification. Electron tube has gold plated grid. Longlife tube (at least 5000 hours). Tube is similar to the WE437, but it is not a direct replacement. Electron tubes are new, directly from the factory packing and will be delivered in modern white boxes. Made by Reflektor, Saratov in 1972.