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D410_DeForest

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ID = 49618
       
Country:
United States of America (USA)
Brand: DeForest-Tubes
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to D410_DeForest = CX310 = ER210
Similar Tubes
Normally replaceable-slightly different:
  UX210

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Transmittertube (Radio)
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct / Battery =
Description

This tube used as a power amplifier or low power transmitting type.

 
Dimensions (WHD)
incl. pins / tip
x 137 x 54 mm / x 5.39 x 2.13 inch
Weight 59 g / 2.08 oz
Information source - - Manufacturers Literature   1927
Tube Lore (II)   p. 199

ux_base_standard~~411.png D410_DeForest: Fin Stewart
Fin Stewart


Just Qvigstad
d410small.png
D410_DeForest: own collection
Peter den Boer

 

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