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EX680

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ID = 7785
       
Country:
France
Brand: Mazda (tubes), Mazda-Belvu, Compagnie des Lampes; Paris
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to EX680 = 280 = CX380 = UX280 = AC80 = PM280 = PU080 = ER280 = MX280 = 80
Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Filament Vf 5 Volts / If 2 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
s_214_g_13.gif EX680: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
More ...
Just Qvigstad
Usage in Models 1= 1932?? ; 1= 1932
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

Jacky Parmentier (F)
 
ex680_redimensionner.jpg

 
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