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427

Information - Help 
ID = 13563
       
Country:
United States of America (USA)
Brand:
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to 427 = 27 = UY227 = C327 = UY-227_Japan = D227 = ER227 = DE-1 = PA227 = NY227 = LS227 = NU-27 = GSY227 = C227
Similar Tubes
Normally replaceable-slightly different:
  127A
Other base:
  27_Coronet

Base UY-Base, 5 Pins (USA, April 1927) (Codex=H)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC)
Dimensions (WHD)
incl. pins / tip
45 x 117 x mm / 1.77 x 4.61 x inch
Weight 52 g / 1.83 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   
  427_typaw.png
  427: DeForest_Techn.Data
Otto Frosinn
 
427_a.jpg
427: scc
Christian Schaufelberger

 
s_223_g_7.gif
427: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 
427bond.png
427: Vintage Electronic catalog
Geri Meier


Usage in Models 1= 1929? ; 2= 1930? ; 3= 1930 ; 9= 1931 ; 3= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):18



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