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 Dynamic Radio Tube Works; Newark, NJ 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) 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

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: Allied Radio Corp. Günter Kudicke

227
Geri Meier

227: Telefunken Werkstattbuch
Wolfgang Bauer

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? ; 63= 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):702

Collection of Sinisa Trlin (HR)

Collection of Fin Stewart (AUS)

Collection of John Hupse (NL)

Collection of Peter Steffen (CH)

Collection of Pedro Prieto-Castro (E)

Collection of Jozef Brughmans † (B)

Collection of Rudolf Osterkamp (D)

Collection of Nigel Hulse (ZA)

Collection of Aldo Patriarca (CH)

Collection of Georges Werts (B)

Collection of George Papaiz (CDN)

Collection of Geri Meier (CH)

Collection of Emilio Ciardiello (I)

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