Antique radios, Old Time Radios

7A7E

Country:	United States of America (USA)		Brand:	Philco, Philadelphia Stg. Batt. Co.; USA
			Tube type:	Vacuum Pentode RF/IF-Stage Controlling (mu)

Tube ID = 25405


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Identical to	7A7E = 7A7
First Source (s)	09.Dec.1938 : -- Collector info (Sammler)

Base	Loctal-8, B8G (Sylvania, 1938)
Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.3 Ampere / -: Indirect / -: Parallel / series AC/DC /
Description	at Philco only Text in other languages (may differ)
Literature

From my collection
Júlio Branco

ARRL Handbook 1972
Michael Schlör

Usage in Models (calculation each 25th of the month)	1= 1946 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 1

No further Information for

7A7E

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