Virtual Valve Museum
Virtual Valve Museum | search: (use * for wildcard)
About the museumMuseum exhibitsUpdates, new exhibits etc.EquipmentSupporters
*DocumentsValves wanted!Valves for sale or for tradeLinks to other sites, suppliers etc.

GPO VT25 triode

Size This valve measures 120x55mm overall and has a BC4 base.

This is based on the LS5.

Filament voltage 4.5V
Filament current 850mA
Max anode voltage 200V
Amplification factor * 6.0
Mutual conductance * 2.0mA/V
Cag max 6.0pF
Cae max 6.0pF
Cge max 6.0pF

*: At Va=150, Vg=-9

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



This file was last modified 15:45:17, Tuesday September 02, 2014