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VP4B

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ID = 1824
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to VP4B = VP41_Ekco = ACVP2
Similar Tubes
Normally replaceable-slightly different:
  TF64

Base British-7-Pin, old (M7A) (Codex=Nf) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.65 Ampere / Indirect / Specified voltage AC/DC
Information source History of the British Radio Valve to 1940   p. 150 & 196
Babani, International Radio Tube Encyclopaedia   p. 154 & 155
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

159_16.png VP4B: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
vp4b_techdat01.png
VP4B: Mullard Valves 1936
Peter Hoddow

More ...
Usage in Models 1= 1932? ; 2= 1935?? ; 3= 1935? ; 8= 1935 ; 1= 1936?? ; 15= 1936? ; 53= 1936 ; 10= 1937? ; 45= 1937 ; 2= 1938? ; 39= 1938 ; 1= 1939? ; 11= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):191

Collection of

 
vp4b_bild1.png

VP4B
 

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