6P14P (6П14П) pentode was designed for output stages of low frequency amplifiers. It is direct replacement for the EL84 and 6BQ5. Tubes were measured with the L3-3 tube tester (results are in the gallery). Service life: at least 3000 operating hours under prescribed conditions. OTK stamp. New old stock tubes in original boxes. Year of production: 1984. Will be delivered with measured parameters attached.