Virtual Valve Museum
Virtual Valve Museum | Search: (use * for wildcard)
About the museumMuseum exhibitsSupportersDocumentsLinks to other sites, suppliers etc.

CV380 HF pentode

Size This valve measures 76x36mm overall and has a 9 pin base.


Heater voltage 6.3V
Heater current 300mA
Max anode voltage 300V
Max screen voltage 300V
Max anode dissipation 3.0W
Max screen dissipation 1.7W
Mutual conductance 7.7mA/V
Anode impedance 500k ohms
Inner amplification factor 80.0
Max operating frequency 300MHz
Cag max 0.02pF
Cae max 6.0pF
Cge max 10.0pF
Cg1 g2 nom 2.1pF


Pin Function
1 Heater
2 Anode
3 Screen grid
4 Internal screen
5 Internal screen
6 Control grid
7 Internal screen
8 Internal screen
9 Heater

This valve is a modified CV1136


This file was last modified 15:35:51, Wednesday April 19, 2023