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Ultraudion

Information - Help 
ID = 37457
       
Country:
United States of America (USA)
Brand: DeForest-Tubes
Developer: DeForest-Tubes 
Tube type:  Triode, vacuum   Detector 
Identical to Ultraudion
Similar Tubes
Normally replaceable-slightly different:
  T_deForest
Multiple differences or of other kind:
  Ultraudion_E12

Base Wires Wires only.
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / Direct / Battery =
Description Virtually the T_deForest tubular audion. The name Ultraudion meant that it could be made to produce oscillations when used in a circuit which deForest called the "Ultraudion circuit" (as in the UJ1). This tube normally had wire connections but an adaptor was available from the de Forest company so that the filament connections could be connected to an E12 candelabra screw base. The tube had a paper label on the glass showing the name. the label also states that the tube has a Hudson filament. In his "Saga of the Vacuum Tube", page 120, Tyne says this is not a Hudson filament. 
Dimensions (WHD)
incl. pins / tip
x x 25 mm / x x 0.98 inch
Information source Saga of the Vacuum Tube, Tyne   pp.119, 120
 

Usage in Models 1= 1915??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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