Antique radios, Old Time Radios

247S

Country:	Canada		Brand:	Rogers-Majestic; Canada
			Tube type:	Vacuum Pentode Power/Output

Tube ID = 40641


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Identical to	247S = 247 = 47 = UY-247
First Source (s)	Jun.1931 : -- Collector info (Sammler)

Base	UY-Base, 5 Pins (USA, April 1927)
Filament	Vf 2.5 Volts / If: 1.7 Ampere / -: Direct / -: Parallel, (AC/DC) /
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49 - - - - - -

Usage in Models (calculation each 25th of the month)	2= 1932? ; 3= 1932 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 5

No further Information for

247S

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