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CV1189 beam tetrode

Size This valve measures 132x50mm overall and has a british 7 pin base.


Heater voltage 4V
Heater current 1.75A
Max anode voltage 330V
Max screen voltage 220V
Mutual conductance (Va=Vg2=100, Vg1=0) 8.5mA/V
Anode dissipation 20W
Screen dissipation 3W
Cae 7.0pF
Cge 22.0pF
Cag 1.0pF


Pin Function
1 n/c
2 Control grid
3 Screen grid
4 Heater
5 Heater
6 Cathode
7 n/c
TC Anode


This file was last modified 12:18:43, Friday September 07, 2018