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VPT4B

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ID = 25972
       
Country:
Great Britain (UK)
Brand: Ferranti, GB
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to VPT4B
Similar Tubes
Normally replaceable-slightly different:
  VMP4G

Base British-7-Pin, old (M7A) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC defined voltage)
Information source Babani, International Radio Tube Encyclopaedia   p. 156 & 157
 
uk_ferranti_vpt4b_valve.jpg
VPT4B: From the collection of Andy Cowley (29MAR1948-23APR2012)
Jay Kinnard

 

from Just Qvigstad

Usage in Models 3= 1936

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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