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50B2MG

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ID = 39095
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Triad Television & Mfg. Co.; Pawtucket, RI 
Tube type:  Ballast Tube (neither FeH or Urdox) 
Identical to 50B2MG
First Source (s)
08.Jul.1935 : Electron Tube Registration List 34

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament If 0.3 Ampere
Description Intended for 115V AC/DC sets with a suggested tube lineup as 25Z5MG, 43MG, 6K7, 6J7, plus tap for one #40 pilot light. 
Information source Ballast-Tube Handbook; Jacobi 1985   


Just Qvigstad
Usage in Models 1= 1935?? ; 2= 1935? ; 1= 1936 ; 1= 1939??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5
 

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