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NU-42

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ID = 77139
       
Country:
United States of America (USA)
Brand: National Union Radio Corp.; Orange (NJ)
Tube type:  Vacuum Pentode   Power/Output 
Identical to NU-42 = 42
Successor Tubes 6F6G  

Base 6-Pin-Base U6A, old, USA
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.7 Ampere / Indirect / Specified voltage AC/DC
Description

Also available with ST14 bulb about 1940

 
Dimensions (WHD)
incl. pins / tip
x 108 x 45 mm / x 4.25 x 1.77 inch
Weight 48 g / 1.69 oz
Information source -- Original prospect or advert   Shapleigh Hardware Co St Louis catalogue 1935
Tube Lore (II)   p. 27 (tube #42)

nu_42.png NU-42: Fin Stewart
Fin Stewart


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