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VP13_Hivac

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ID = 20271
       
Country:
Great Britain (UK)
Brand: Hivac Ltd.; Harrow-on-the-Hill
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to VP13_Hivac
First Source (s)
1936 : History of the British Radio Valve to 1940 p. 195

Base British-7-Pin, old (M7A) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 13 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Description

Note that this has a top cap anode not a grid as in other varieties of the VP13. It most closely resembles the Mazda VP1321 with the same connections but differing in characteristics and heater current.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   p. 156 & 157


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