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1Y1

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ID = 17924
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Current Regulator, Iron in Hydrogen 
Identical to 1Y1

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

577_9.png 1Y1: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad

Collection of

 
1y1_philco.jpg

 

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