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2_Ballast

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ID = 35702
       
Country:
United States of America (USA)
Brand: Philco, Philadelphia Stg. Batt. Co.; USA
Developer: Sylvania (Hygrade, GTE, Nilco); Emporium (PA) 
Tube type:  Current Regulator, Iron in Hydrogen   Power-supply 
Identical to 2_Ballast

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 9 Volts / If 0.3 Ampere / Specified current AC/DC ~ = (Series working)
Description

This tube designed for Philco but made by Sylvania. Used in the Philco model 46 radio. Voltage drop 9 V, filament current .3 A

 
Dimensions (WHD)
incl. pins / tip
x 108 x 45 mm / x 4.25 x 1.77 inch
Information source Ballast Tube Handbook, The   

ballast_base.gif 2_Ballast: KoBi
Konrad Birkner † 12.08.2014


Just Qvigstad
Usage in Models 2= 1931

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

Collection of

Collection of a member from FIN
 
2_philko.jpg

2_Ballast
 

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