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ID = 82448
United States of America (USA)
Brand: Duovac Radio Tube Corp.; Brooklyn, NY
Developer: Duovac Radio Tube Corp.; Brooklyn, NY 
Tube type:  Triode, vacuum   Universal 
Identical to 210_special
Similar Tubes
Other class quality (otherwise equal):
  CX310 ; UX210

Base UX-Base (4 Pins (2 thick, USA 1924, UX) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct / Specified voltage AC/DC

This tube was designed with a tungsten filament and molybdenum anode. It was available with the grid either from the top cap or connected to the normal grid pin.

Dimensions (WHD)
incl. pins / tip
x 152 x 54 mm / x 5.98 x 2.13 inch
Weight 65 g / 2.29 oz
Information source Tube Lore (II)   Page 32

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