radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

D1/2

Information - Help 
ID = 7698
       
Country:
United States of America (USA)
Brand:
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  High-vacuum Rectifier   Power-supply 
Identical to D1/2 = UX281 = CX381 = 481 = 81

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.2 Ampere / Direct
Description

This tube is the same as a UX281 or 81. Originally designed by the Westinghuse Electric & Mfg Co. Arcturus made the tube for use in Sonora radio power supplies. de Forest was another company to make them.

<700V ac input, 85mA dc out.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   Page 272
 
d12_so.png
D1/2: rtt
Michael Schlör

 

from Just Qvigstad

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg