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227

Information - Help 
ID = 2831
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode, vacuum   Universal 
Identical to 227 = 27 = DE-1 = 127 = UY227 = ER227 = P227_USA = SY227 = NY227 = G-27 = MY227 = AC227 = PA227 = Y227 = LS227 = GSY227 = C227
Similar Tubes
Normally replaceable-slightly different:
  227S
Other class quality (otherwise equal):
  228
First year 1927 Saga of the Vacuumtube, Tyne
Predecessor Tubes 401_McCullough  

Base UY-Base, 5 Pins (USA, April 1927)
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC)
Tube prices 3 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  227_sch.png
  227: Allied Radio Corp.
Günter Kudicke
 
227perryman_002_klein.jpg
227
Geri Meier

 
446_16.png
227: Telefunken Werkstattbuch
Wolfgang Bauer

 
27_data~~2.png
227: own collection
Peter den Boer


Usage in Models 4= 1927 ; 15= 1928? ; 79= 1928 ; 3= 1929?? ; 52= 1929? ; 179= 1929 ; 29= 1930?? ; 21= 1930? ; 123= 1930 ; 7= 1931?? ; 24= 1931? ; 63= 1931 ; 4= 1932?? ; 8= 1932? ; 62= 1932 ; 3= 1933?? ; 5= 1933? ; 5= 1933 ; 5= 1934?? ; 2= 1934? ; 2= 1935?? ; 1= 1936?? ; 1= 1939? ; 1= 9999?? ; 3= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):701


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