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501_Sovereign

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ID = 28971
       
Country:
United States of America (USA)
Brand: Sovereign Electric & Mfg. Co.; Chicago
Tube type:  Triode, vacuum   Universal 
Identical to 501_Sovereign
First year 1928 Saga of the Vacuum Tube, Tyne page 346

Base 2 Top contacts.
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 1.1 Ampere / Indirect / Specified voltage AC/DC
Description

AC tube made by Sovereign Electric & MFG Co., Chicago.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
x 138 x 42 mm / x 5.43 x 1.65 inch
Weight 63 g / 2.22 oz
Information source Radio Tubes and Boxes of the 1920’s   p.87

Collection of

 
ac_501.jpg

501_Sovereign
 

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