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NU-80

Information - Help 
ID = 76912
       
Country:
United States of America (USA)
Brand: National Union Radio Corp.; Orange (NJ)
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to NU-80 = 80 = 180 = UX280 = CX380 = 480

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 2 Ampere / Direct / Parallel, (AC/DC)
Description The anode of this tube had "corrugated" metal design, exclusive to National Union. It is not known if these were a success but the tube was claimed to have longer life with less danger of premature tube failure because of line voltage fluctuation and also less chance of burnt out power transformers. It is not known how the commercial life of the design lasted. 
Dimensions (WHD)
incl. pins / tip
x 137 x 54 mm / x 5.39 x 2.13 inch
Weight 67 g / 2.36 oz
Literature -- Original prospect or advert   Shapleigh Hardware Co St Louis catalogue 1935
 
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NU-80: Fin Stewart
Fin Stewart

 

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