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12-4

Information - Help 
ID = 31759
       
Country:
United States of America (USA)
Brand: Amperite Co., Inc.; Union City / West New York (NJ)
Tube type:  Current Regulator, Iron in Hydrogen 
Identical to 12-4

Filament
Description Marke: Amperite
R kalt = 1400 mOhm 
  124.png
  12-4: HP 650A Test Generator
Heinz Höger
 
124_1.jpg
12-4: HP 650A Test Generator
Heinz Höger

More ...
 
124_7.png
12-4: HP 650A Test Generator
Heinz Höger

 

Usage in Models 1= 1948

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


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