Russian tube 6P14P-EV (in Cyrillic script it is written as 6П14П-ЕВ). The 6P14P-EV tube is high reliability and long live output pentode designed for LF power amplification. Widely used in output stages of low frequency amplifiers. Equivalent to 189A / 6BQ5 / EL84M. Made by Reflector Corporation (Saratov, Russia).