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DP71

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ID = 75365
       
Country:
United States of America (USA)
Brand: Donle-Bristol Co., Meriden, Conn.
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Power/Output 
Identical to DP71
Similar Tubes
Other shape (e.g. bulb type):
  CX371 ; UX171

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Specified voltage AC/DC
Description This tube was developed by Donle as a replacement for the UX171 power tube. It was claimed to be "far superior to any tube that has yet appeared, in the amount of current delivered to the loud speaker with a given applied signal strength". This claim was in an advertisement in Popular radio, September 1927, page 173. 
Dimensions (WHD)
incl. pins / tip
37 x 104 x 35 mm / 1.46 x 4.09 x 1.38 inch

ux_base_standard~~64.png DP71: Fin Stewart
Fin Stewart


Just Qvigstad
 
don_dp71.jpg

 

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