Virtual Valve Museum

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CV2008 planar triode

Size This valve measures 55x20mm overall and has 8 tags including one to the central spigot.


This is a modified CV408.

Heater voltage 6.3V
Heater current 490mA
Max anode voltage 250V
Max anode dissipation 2.5W
Mutual conductance 9.0mA/V
Equivalent noise resistance 550 ohms
Input resistance at 45MHz 40k ohms

(At Va=150, Ia=10mA)


Pin Function
1 Grid
2 Cathode
3 Heater
4 Heater
5 n/c
6 i/c
7 Anode

Inside view