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B41

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ID = 75013
       
Country:
United States of America (USA)
Brand: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Current Regulator, Iron in Hydrogen   Power-supply 
Identical to B41 = 886 = CRC886 = UV886 = C386 = 38286
Similar Tubes
Normally replaceable-slightly different:
  1943

Base Edison giant, E40 = 40 mm-Goliat
Was used by Radio/TV-reception etc.
Filament Direct
Description

40 - 60 volts at 2.05 amps. This tube is used in series with the primary of suitably designed transformers to maintain essentially constant input voltage to the primary over a range of line variation of 20 volts. The tube is listed on page 48 of "The story of Electronic Development at the4 General Electric Company". Dated December 10th, 1930. Tube was used by the US Navy.

 
Dimensions (WHD)
incl. pins / tip
x 196 x 53 mm / x 7.72 x 2.09 inch
Weight 95 g / 3.35 oz
Information source Tube Lore (II)   p. 211

edison_e40_ballast_tube~~2.png B41: Fin Stewart
Fin Stewart


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