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ER1_Raytheon

Information - Help 
ID = 74299
       
Country:
United States of America (USA)
Brand: Eveready (Ever Ready), AENMC / National Carbon Company (NCC); Columbia
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to ER1_Raytheon = 1_rectifier = KR1 = AD

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel, (AC/DC)
Description Very rare tube with limited commercial life. The glass stem of this tube was the "4 pillar" style unique to Eveready and Raytheon receiving tubes 
Dimensions (WHD)
incl. pins / tip
x 108 x 42 mm / x 4.25 x 1.65 inch
 
425_1_1~~1.png
ER1_Raytheon: Fin Stewart
Fin Stewart

 

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