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6_Ballast

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ID = 17949
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Current Regulator, Iron in Hydrogen 
Identical to 6_Ballast

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=B)
Filament
Information source Taschenbuch zum Röhren-Codex 1948/49   

577_13.png 6_Ballast: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
6_characteristics.png
6_Ballast: My schematic collection.
Pier Antonio Aluffi

Usage in Models 1= 1963

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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