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320R4

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ID = 23676
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Current Regulator, Iron in Hydrogen 
Identical to 320R4

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Filament
Description

I quer 1 System/A = 0.3 U mittel/V = 96

 
Information source Ballast Tube Handbook, The   

0_ball_11_6.png 320R4
Emilio Ciardiello


Just Qvigstad
Usage in Models 1= 1936 ; 1= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
usa_jfd_320r4.jpg

320R4
 

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