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7413

Information - Help 
ID = 13627
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 7413 = AR17 = NR31 = VR37 = CV1037 = MH4

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect
Description

British Admiralty store code for AR17/NR31/VR37/CV1037 vacuum triode.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   

mh4p_1.png 7413: Manufacturer's Literature
Emilio Ciardiello


Just Qvigstad
 

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