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RX401

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ID = 56846
       
Country:
United States of America (USA)
Brand: Fallgatter, Marvin B. (Marvin B. Fallgatter); Waupaca, Wisconsin
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to RX401

Base UX-Base (4 Pins (2 thick, USA 1924, UX) 2 Top contacts.
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 1 Ampere / Indirect
Description This early AC tube was made with the designation type 401 by McCullough (also designer), Kellogg, Marathon, Rogers and Sovereign. The RX401 and Marathon 401 uses wires up the outside of the bulb from base to the two top connections (filament). 
Dimensions (WHD)
incl. pins / tip
40 x 128 x 35 mm / 1.57 x 5.04 x 1.38 inch
Information source -- Collector info (Sammler)   


Just Qvigstad

Collection of

 
rx401.jpg

RX401
 

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