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245

Information - Help 
ID = 3227
       
Country:
United States of America (USA)
Brand:
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Triode, vacuum   Power/Output 
Identical to 245 = X245 = P245 = 45 = UX245 = PA245 = AC45 = T-45 = TX-45 = VX245 = A.C.245 = G45 = jX245 = AX-245 = GSX245 = TC245 = RYB245 = C-245 = NX-245
Similar Tubes
Normally replaceable-slightly different:
  FX245

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.5 Ampere / Direct / Parallel, (AC/DC)
Description According to Tyne, page 322, this audio-power output tube was introduced in March 1929. It is intermediate between UX171A and UX210 and was first named UX245, later in short 245 and 45. See other identical denominations too. The oxide-coated filament operates at 2.5 volts AC or DC, taking 1.4 amperes. The anode is of sheet nickel, carbonzed fo facilitate radiation. Power output about 0.8 watt. 
Tube prices 2 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
245~~1.jpg
245: scc
Christian Schaufelberger

 
s_217_g_15.gif
245: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 
245_data.png
245: data-sheet
Pedro Prieto-Castro


from Just Qvigstad

Usage in Models 1= 1928?? ; 2= 1928? ; 2= 1929?? ; 45= 1929? ; 178= 1929 ; 21= 1930?? ; 17= 1930? ; 130= 1930 ; 9= 1931?? ; 14= 1931? ; 66= 1931 ; 1= 1932? ; 9= 1932 ; 4= 1934? ; 3= 1935?? ; 1= 1936?? ; 1= 1937? ; 1= 9999?? ; 3= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):508



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