Electron tube 6J9P-E (6Ж9П-E) is a HF pentode designed for use in wide-band amplifiers of electronic devices. Direct replacement for the E180F, 6688 and CV6189. Compared to the standard 6J9P, the 6J9P-E has much longer service life (a minimum of 5000 operating hours under prescribed conditions) and it is also considerably higher, measurements are in the datasheet, which is available for download. New in box. Year of production: 1974.