Antique radios, Old Time Radios

227

ID = 2831

Country:

United States of America (USA)

Brand:

Common type USA tube/semicond.

Common type USA tube/semicond. Air Scout - tubes Airline, Super-Airline, Wards (tubes) - see also Montgomery Ward; Chicago, IL Crusader, Sunlight Lamp Co. / Electric Co.; Newton Falls, OH - Irvington, NJ Dynamic Radio Tube Works; Newark, NJ Globe Electric Company; Pittsburgh, PA Hygrade Lamp Co. (Neptron); Salem, Massachusetts Kelly Tube Co.; New York, NY La Salle Light Company; Chicago, IL Lafayette Radio & TV Corp; New York (NY) Legion (Tube brand); (Where ?) Macy's, R.H. Macy & Co.; New York, NY McCullough, Frederick, S. Co.; Wilkinsburg, later Sales Company; Pittsburg Paramount Radio Tube Co.; Brooklyn, NY Ravac Co.; Nashua, NH Real Tone Tube Co.; Pawtucket, RI Royal Tube Co.; Pawtucket, RI Silvertone (tubes) - see also Sears; Chicago, IL Songbird (brand) Speed (Cable Radio Tube)

Tube type:

Triode, vacuum Universal

Identical to

227 = 27 = DE-1 = 127 = UY227 = ER227 = P227_USA = SY227 = G-27 = MY227 = AC227 = PA227 = Y227 = EY227 = T-227 = VY227 = LS227 = SLY227 = GSY227 = Z-27 = C227 = T27 = 227-C = AX227 = LY227 = NY-227 = C-427 = TS227

Similar Tubes

Normally replaceable-slightly different:

227B ; 227S

Other class quality (otherwise equal):

228

First year

1927 Saga of the Vacuum Tube, Tyne

Predecessor Tubes

401_McCullough

Base	UY-Base, 5 Pins (USA, April 1927)
Filament	Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC
Tube prices	3 Tube prices (visible for members only)
Information source	Taschenbuch zum Röhren-Codex 1948/49


	227: Allied Radio Corp. Günter Kudicke

227
Geri Meier

227: Telefunken Werkstattbuch
Wolfgang Bauer

227: own collection
Peter den Boer

from Just Qvigstad

Usage in Models

4= 1927 ; 15= 1928? ; 80= 1928 ; 3= 1929?? ; 53= 1929? ; 180= 1929 ; 30= 1930?? ; 21= 1930? ; 123= 1930 ; 9= 1931?? ; 24= 1931? ; 64= 1931 ; 5= 1932?? ; 8= 1932? ; 62= 1932 ; 4= 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):710

Collection of John Hupse † 28.9.20 (NL)

Collection of Rudolf Osterkamp (D)

Collection of Peter Steffen (CH)

Collection of Nigel Hulse (ZA)

Collection of Aldo Patriarca (CH)

Collection of Jozef Brughmans † (B)

Collection of Emilio Ciardiello (I)

Collection of Georges Werts (B)

Collection of Sinisa Trlin (HR)

Collection of George Papaiz (CDN)

Collection of Peter den Boer (NL)

Collection of Geri Meier (CH)

Collection of Fin Stewart (AUS)

Collection of Pedro Prieto-Castro (E)

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