6P14P (6П14П) pentode was designed for output stages of low frequency amplifiers. It is direct replacement for the EL84 and 6BQ5. Tubes were measured on the L3-3 tube tester. Service life: at least 3000 operating hours. OTK stamp. New old stock tubes in original boxes (please see the gallery). Made for export in the 80's. Will be delivered with measured parameters attached.