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VR22 / 10E/7958 triode

Size This valve measures 96x40mm overall and has a B4 base.

(See also VW36 which is a selected VR22)

Filament voltage 2V
Filament current 200mA
Max anode voltage 150V
Mutual conductance * 4.0mA/V
Amplification factor * 16
Anode impedance * 4k ohms
Average anode current (Va=150, Vg=-4.5) 10mA
Optimum load 9k ohms

*: At Va=100, Vg=0.

Pin Function
1 Anode
2 Grid
3 Filament -ve
4 Filament +ve

This file was last modified 15:50:38, Tuesday September 02, 2014