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VFT4

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ID = 41142
       
Country:
Great Britain (UK)
Brand: Ferranti, GB
Tube type:  Mag. Eye, 1 shadow angle   Indication 
Identical to VFT4

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.5 Ampere / Indirect / Specified voltage AND current AC/DC
Description

Target Volts 200-250
Target Current 0.5mA
Grid Voltage change for full indication = 20.0

 
Information source British Radio Valves - The Classic Years: 1926-1946   Supplement, p. 153


Just Qvigstad
Usage in Models 2= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
 

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