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542A

Information - Help 
ID = 83690
       
Country:
United States of America (USA)
Brand: DeForest-Tubes
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 542A = 242A = 4242A

Base Jumbo 4-pin bayonet (1918)
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 3.25 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
x 210 x 64 mm / x 8.27 x 2.52 inch
Weight 200 g / 7.05 oz
Information source Tube Lore (II)   p. 199 & 236


Just Qvigstad

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