radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

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_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

Collection of

 
124_1.jpg

12-4
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information