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NU-84

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ID = 78175
       
Country:
United States of America (USA)
Brand: National Union Radio Corp.; Orange (NJ)
Developer: Sylvania (Hygrade, GTE, Nilco); Emporium (PA) 
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to NU-84 = 84 = 84/6Z4 = ER84

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.5 Ampere / Indirect / Parallel, (AC/DC)
Description This is an early version of the tube, with S12 bulb. Later types had the ST12 bulb and the type number was 84-6Z4. It was originally designed for use in automobile radios and it was developed by Sylvania. It was first marketed by Philco. 
Dimensions (WHD)
incl. pins / tip
x 103 x 38 mm / x 4.06 x 1.50 inch
Weight 34 g / 1.20 oz
Literature -- Collector info (Sammler)   
 

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