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4071A

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ID = 10870
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Vacuum Pentode   Power/Output 
Identical to 4071A

Base British-7-Pin, old (M7A) (Codex=Nb)
Filament Vf 4 Volts / If 1.5 Ampere / Indirect / Specified voltage AC/DC
Description

Babani lists the heater current as 2.25A

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   

4071a_sock.png 4071A: Tabu Röhren-Codex, 1948
Anonymous 15 Collector


Just Qvigstad

Collection of

 
4071astcph.jpg

4071A
 

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