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612bu

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ID = 82630
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to 612bu
First Source (s)
1929 : History of the British Radio Valve to 1940 p.168

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.45 Ampere / Direct / Specified voltage AC/DC
Description

Maximum anode volts 250

 


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