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VPT4

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ID = 20416
       
Country:
Great Britain (UK)
Brand: Ferranti, GB
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to VPT4
Similar Tubes
Normally replaceable-slightly different:
  MVS/Pen_Europa-B5
First Source (s)
11.Aug.1933 : Wireless World (The), London (WW, 79) p 107

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 Top contact with a cap.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
 
ferranti_vpt4.jpg
VPT4: By courtesy of guest John Barber, Bridgend, Wales, UK.
Ernst Erb

 

from Just Qvigstad

Usage in Models 5= 1933 ; 4= 1934 ; 4= 1935 ; 6= 1936 ; 5= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):24


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