Antique radios, Old Time Radios

247

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

Tube ID = 3095


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Identical to	247 = 47 = PH247 = G47 = 247S = F247
Similar Tubes	Normally replaceable-slightly different: RES347

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

eigene Sammlung
Martin Bösch

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

Usage in Models (calculation each 25th of the month)	1= 1927? ; 1= 1929?? ; 6= 1930 ; 1= 1931?? ; 7= 1931? ; 34= 1931 ; 2= 1932?? ; 9= 1932? ; 21= 1932 ; 3= 1933?? ; 3= 1933? ; 1= 1933 ; 1= 1934?? ; 3= 1934? ; 1= 1936?? ; 1= 1939?? ; 1= 1947?? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 96

No further Information for

247

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