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CV1641 / 3A/142A triode

Size This valve measures 114x45mm overall and has a 4-pin BC4 base.

 

Filament current 1A
Nominal filament voltage 2.1V
Max anode voltage 190V
Amplification factor * 30
Anode impedance * 60k ohms

 

*: At Va=130, Vg=-1.5

Pin Function
1 Grid
2 Filament +ve
3 Filament -ve
4 Anode
CV1641 / 3A/142A