247, Tube 247; Röhre 247 (247)

Antique radios, Old Time Radios

247

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	PENTODE Power/Output

Tube ID = 3095


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Identical to	247 = 47 = PH247 = RES347

Base	UY-Base, 5 Pins (USA, April 1927) (Codex=Hy)
Was used by	Radio/TV-reception etc.
Filament	-: Direct / -: Parallel, (AC/DC) / If: 1.75 Ampere / Vf 2.5 Volts /
Tube prices	0 Tube prices (visible for members only)
Literature	Taschenbuch zum Röhren-Codex 1948/49

RCA US
Jose Vigil

W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

Usage in Models	1= 1927? ; 2= 1929?? ; 1= 1930? ; 7= 1930 ; 1= 1931?? ; 3= 1931? ; 20= 1931 ; 2= 1932?? ; 6= 1932? ; 20= 1932 ; 3= 1933?? ; 2= 1933? ; 1= 1933 ; 1= 1934?? ; 1= 1934? ; 1= 1935?? ; 2= 1936?? ; 1= 1937?? ; 1= 1938?? ; 1= 1939?? ; 1= 1940?? ; 1= 1947?? ;
Number of Models with this tube 79

No further Information for

247

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