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

UX-199_code9

Information - Help 
ID = 25444
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  LOCKED OFF PART (CODE 9) - see in Notes 
Identical to UX-199_code9 = 99 = B_CommontypeUSA_Trio = CX299 = X99 = UX99 = UX199
Similar Tubes
Other characteristic (electr. data):
  231D
Other base:
  C299 ; UV99
First year Apr.1925 Saga of the Vacuum Tube, Tyne page 314
Production stop 1931

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Description Direct heated 3,3-V-Triode for dry batteries: UX199 = CX299 = X99. Nickel-plated contact pins were introduced in 1927 [Tyne 314]. 
Text in other languages (may differ)
Information source -- Collector info (Sammler)   
Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia

ux199~~4.gif UX-199_code9: KoBi
Konrad Birkner † 12.08.2014


Just Qvigstad

Collection of

 
ux199.jpg

UX-199_code9
 

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