Radio Antica e Radio d'epoca

245

ID = 3227

Stato:

USA (Stati Uniti d'America)

Produttore:	Common type USA tube/semicond. Common type USA tube/semicond. Canadian Westinghouse, Hamilton Cossor, A.C.; London CeCo (tubes), C.E. Mfg. Co. Inc.; Providence, RI Crescent (tubes); (where?) Everbest Radio Corp.; New York, NY Guaranteed Manufacturing Co.; (where?) Gulbransen Co.; Chicago Kelly Tube Co.; New York, NY Lafayette Radio & TV Corp; New York (NY) Legion (Tube brand); (Where ?) Neon Lamp Works, Inc.; New York City, NY Paramount Radio Tube Co.; Brooklyn, NY Pilot Electric Mfg. Co. (Radio Corp.); Brooklyn (NY) RCA (RCA Victor Co. Inc.); New York (NY) Silvertone (tubes) - see also Sears; Chicago, IL Sonatron Tube Company; Chicago and New York Sparton-Cardon Tubes; Jackson MI Speed, Cable Radio Tube Corp. / Cable Supply Co.; New York and Brooklyn, NY Westinghouse El. & Mfg. Co. - see also Canadian W.
Progettista:	Westinghouse El. & Mfg. Co. - see also Canadian W.
Tipo:	Triodo a vuoto Power/Output

Identico a

245 = X245 = P245 = UX245 = AC45 = T-45 = G-45 = JX245 = Z-45 = AX-245 = CL-45 = GSX245 = TC245 = RYB245 = TS245 = TX245 = NX-245 = R45_Rogers = 45 = PA245 = VX245 = A.C.245 = PM245 = C-245 = TX-45

Valvole simili

Sostituita normalmente - piccola diff.:

FX245 ; U245

Zoccolo

UX-Base (4 Pins (2 thick, USA 1924) (Codex=Bo)

Utilizzata per

Radio/TV-reception etc.

Filamento

Vf 2.5 Volt / If 1.5 Ampere / Direct / Specified voltage AC/DC

Descrizione

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.

Quotazioni

2 Quotazioni (visibili solo per gli associati)

Bibliografia

Taschenbuch zum Röhren-Codex 1948/49


245: W.Sprick: Austausch-Röhren-Lexikon 1947 Günther Stabe † 19.8.20 Segue ...	Just Qvigstad	245: data-sheet Pedro Prieto-Castro

Utilizzo nei modelli

2= 1928? ; 3= 1929?? ; 46= 1929? ; 181= 1929 ; 22= 1930?? ; 20= 1930? ; 139= 1930 ; 10= 1931?? ; 18= 1931? ; 74= 1931 ; 2= 1932?? ; 2= 1932? ; 9= 1932 ; 1= 1933?? ; 4= 1934? ; 4= 1935?? ; 1= 1936?? ; 1= 1937? ; 1= 9999?? ; 3= 9999

Numero totale di modelli di Radiomuseum.org che utilizzano questa valvola:543

Museo "Museum of Alaska Transportation and Industry (MATI)"

Letteratura "Radio Tubes and Boxes of the 1920’s"

Collezione di

Pedro Prieto-Castro (E)

George Papaiz (CDN)

Aldo Patriarca (CH)

Aires Gomes (P)

Karlheinz Fischer (D)

245

[rmxtube-en]

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245

Common type USA tube/semicond.

Collezione di