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VP4A_7pin

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ID = 27354
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to VP4A_7pin
Similar Tubes
Normally replaceable-slightly different:
  CV1172
Other base:
  VP4A

Base British-7-Pin, old (M7A) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.2 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. 156 & 157
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

158_13.png VP4A_7pin: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 2= 1936?

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

Collection of

 
vp4a_pic.gif

VP4A_7pin
 

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