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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 = UY-227_Japan = D227 = ER227 = DE-1 = EY227 = VY227 = PA227 = SLY227 = NU-27 = GSY227 = Y227AC = Z-27 = 227-C = AX227 = LY227 = C227 = NY-227 = C-427 = LS227 = 27 = UY227 = C327
Similar Tubes
Normally replaceable-slightly different:
  127A
Other base:
  27_Coronet
First Source (s)
Aug.1930 : Philips Bulletin R1164, p. 32
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 / Specified voltage 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
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Collector info (Sammler)   
427_typaw.png
427: DeForest_Techn.Data
Otto Frosinn
s_223_g_7.gif 427: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

Just Qvigstad 		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
Museum "Museum of Alaska Transportation and Industry (MATI)"
Literature "Electronics" Vol. 1 No. 2 | 1930-05

Collection of

Otto Frosinn (D)
Robert Gillespie (USA)
Fin Stewart (AUS)
George Papaiz (CDN)
Christian Schaufelberger (CH)
Collection of a member from I
Georges Werts (B)
 
427_a.jpg

427
 
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