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CV327 HF pentode

Size This valve measures 78x32mm overall and has a B8G base.

The prototype of this valve is EF52

Heater voltage 6.3V
Heater current 350mA
Max anode voltage 300V
Max screen voltage 300V
Max anode dissipation 2.5W
Max screen dissipation 0.6W
Max cathode current 18mA
Max heater-cathode voltage 50V
Typical operating conditions
Anode voltage 250V
Screen voltage 250V
Control grid voltage -2V
Anode current 10mA
Screen current 2.2mA
Mutual conductance 2.2mA/V
Amplification factor 87
Cag 0.007pF
Cae 4.0pF
Cge 10.0pF


Pin Function
1 Heater
2 Anode
3 Cathode 2
4 Suppressor grid
5 Screen grid
6 Control grid
7 Cathode 1
8 Heater
Spigot Metal can



This file was last modified 23:10:26, Wednesday February 23, 2022