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52_Ballast

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ID = 21240
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Current Regulator, Urdox with FeH 
Identical to 52_Ballast = 1C2_ballast

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Filament
Description I quer 1 System/A = 0.12 Umax V = 1.2 
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
52_ballast.jpg
52_Ballast: N. Konersmann
Norbert Konersmann

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from Just Qvigstad

Usage in Models 2= 1933 ; 6= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8


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