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CV2940 output pentode

Size This valve measures 108x32mm overall and has an octal base


This carries the markings JN. It is a line and AF output pentode.

Heater voltage 6.3V
Heater current 1.25A
Max anode voltage 250V
Max peak anode voltage 7kV
Max cathode current 200mA


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