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R401

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ID = 76201
       
Country:
United States of America (USA)
Brand: Marvin Radio Tube Company; Irvington, NJ
Developer: McCullough, Frederick, S. Co.; Wilkinsburg, later Sales Company; Pittsburg 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to R401
Similar Tubes
Normally replaceable-slightly different:
  401_McCullough

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 / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
x 135 x 42 mm / x 5.31 x 1.65 inch
Weight 52 g / 1.83 oz

usa_401_ac_tube.png R401: Fin Stewart
Fin Stewart


Just Qvigstad
 
marvin_ry401_box.jpg

 

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