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U650

Country:  Great Britain (UK)      Brand:  Lissen Ltd.; London and Richmond, Surrey 
  Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Tube ID = 8278
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Identical to U650

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 6 Volts / If: 0.5 Ampere / -: Direct /
Dimensions (WHD)
incl. pins / tip
43 x 112 x mm / 1.69 x 4.41 x inch
Weight 40 g / 1.41 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   

gb_lissen_u650.jpg
U650: RFJ
Roy Johnson

 
u650_lissen_sockel_rr.gif
U650: RR
Reinhard Riek

 
Usage in Models   1= 1933
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   1

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