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850_GB

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ID = 13584
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to 850_GB = 1639 = NR48 = VR55 = CV1055
Similar Tubes
Normally replaceable-slightly different:
  EBC33

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf) Top contact with a cap.
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Description British Admiralty store reference for NR48/VR55/1639/CV1055/EBC33 double-diode, triode. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   

850gb_so.png 850_GB: rtt
Anonymous 10 Collector


Just Qvigstad
 

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