Triode
Made in Russia ( U.S.S.R. )
The 6C4N-E / 6S4p Vacuum tube is a Russian military
triode used for extremely low noise preamplifiers and
voltage amplifiers.
Electrical Data:
Heater Voltage .............................. 6.3 V
Heater Current .............................. 0.3 A
Preferred Substitutes ................... 6C4N,
6C4NDP, 6C4N-DP, 6C4NE, 6C4N-E, 6C4NEB, 6C4N-EB, 6S4P