radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

UX231

Information - Help 
ID = 16543
       
Country:
United States of America (USA)
Brand:
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Triode, vacuum   Power/Output 
Identical to UX231 = CX331 = PH231 = 431 = ER31 = SX231 = 231 = 131 = ER231 = C-231 = NU-31 = NX-231 = RYB231

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.13 Ampere / Direct / Battery =
Description Originally made with the T9 (30 mm diameter) glass bulb, this tube was made from early 1931 with the S12 bulb (38 mm diameter) and generally branded type 31 only. A year later the bulb size was changed to ST12. the weight increased by 2 grams. Most US manufacturers still making the tube adopted the changes as a natural progression. 
Dimensions (WHD)
incl. pins / tip
x 93 x 30 mm / x 3.66 x 1.18 inch
Weight 32 g / 1.13 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   
Saga of the Vacuum Tube, Tyne   Page 330
-- Collector info (Sammler)
 
ux231_marconi.jpg
UX231: GP
George Papaiz

 
uxsockel_11~~60.png
UX231: Fin Stewart
Fin Stewart

 

Usage in Models 4= 1930 ; 5= 1931 ; 1= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10


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