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VHT2

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ID = 9356
       
Country:
Great Britain (UK)
Brand: Ferranti, GB
Developer: Ferranti, GB 
Tube type:  Pentagrid-Converter (Heptode)   Frequency converter 
Identical to VHT2
First year 22.Nov.1935 Wireless World (The), London (WW, 79)
First Source (s)
16.Mar.1934 : Wireless World (The), London (WW, 79)
1934 : History of the British Radio Valve to 1940 p. 146 & 198

Base British-7-Pin, old (M7A) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Battery =
Description

Metallised coating

Va <150 Vs <70.

 
Information source Babani, International Radio Tube Encyclopaedia   p. 154 & 155
Taschenbuch zum Röhren-Codex 1948/49   

vht2_sockelschaltbild.gif VHT2: eigene Sammlung
Gerhard Eisenbarth


Just Qvigstad

Collection of

 
vht2.jpg

 

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