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EX680

Country:  France      Brand:  Mazda France = tubes (see also Mazda GB) 
  Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Tube ID = 7785
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Identical to EX680 = 80 = AC80 = 280 = CX380 = UX280

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Filament Vf 5 Volts / If: 2 Ampere / -: Direct /
Literature Taschenbuch zum Röhren-Codex 1948/49   

s_214_g_13.gif
EX680: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 

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