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 Everbest Radio Corp.; New York, NY 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 Corp. / Cable Supply Co.; New York and Brooklyn, NY

Tube type:

Triode, vacuum Universal

Identical to

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

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: Telefunken Werkstattbuch Wolfgang Bauer	Just Qvigstad	227: own collection Peter den Boer

Usage in Models

4= 1927 ; 15= 1928? ; 80= 1928 ; 3= 1929?? ; 53= 1929? ; 181= 1929 ; 29= 1930?? ; 22= 1930? ; 126= 1930 ; 9= 1931?? ; 26= 1931? ; 66= 1931 ; 5= 1932?? ; 8= 1932? ; 62= 1932 ; 4= 1933?? ; 5= 1933? ; 5= 1933 ; 5= 1934?? ; 3= 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):719

Collection of

John Hupse † 28.9.20 (NL)

Rudolf Osterkamp (D)

Georges Werts (B)

Aldo Patriarca (CH)

Pedro Prieto-Castro (E)

Emilio Ciardiello (I)

Peter Steffen (CH)

Peter den Boer (NL)

Jozef Brughmans † (B)

227

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