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1B4E

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ID = 82167
       
Country:
United States of America (USA)
Brand: Philco, Philadelphia Stg. Batt. Co.; USA
Tube type:  Screen-grid Tetrode 
Identical to 1B4E = 1B4

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Filament Vf 2 Volts / If 0.6 Ampere / Direct / Battery =
Description

Same as a 1B4, the added "E" for Export version

 


Just Qvigstad

Collection of

 
20200617_200930.jpg

 

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