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VR55

Information - Help 
ID = 14971
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to VR55 = 1639 = EBC33 = CV1055 = 10E/11401 = ZA3497 = 850_GB

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 / Parallel / series AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
gb_vr55.jpg
VR55: VR55 valve
Howard Craven

 
ebc33_2.png
VR55: Manufacturer's Literature
Emilio Ciardiello

 

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