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CV1911 / NR85 / CV1186 output pentode

Size This valve measures 109x45mm overall and has an octal base.
Heater voltage 6.3V
Heater current 700mA
Max anode voltage 250V
Max screen voltage 250V
Average anode current * 34mA
Average screen current * 5.5mA
Anode dissipation 8.5W
Mutual conductance * 2.5mA/V
Cag 0.95pF
Cge 10.0pF
Cae 8.8pF

*: At Va=Vg2=250, Vg1=-16.5.


Pin Function
1 n/c
2 Heater
3 Anode
4 Screen grid
5 Control grid
6 no pin
7 Heater
8 Cathode + suppressor grid


Above; CV1911; Below: valve marked 6F6G / NR85 / CV1186

NR85 / CV1186 / 6F6G

This file was last modified 23:10:13, Wednesday February 23, 2022