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306BU

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ID = 87629
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to 306BU
Similar Tubes
Normally replaceable-slightly different:
  1821

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.5 Ampere / Direct
Information source Röhren-Vademecum; P.H. Brans; Antwerpen   64
Philips Bulletin   R1164, p. 19


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