Antique radios, Old Time Radios

Ut6A7

Country:	Japan		Brand:	Common type Japan
			Tube type:	Pentagrid-Converter (Heptode) Pentagrid (old) Controlling (mu)

Tube ID = 25421


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Identical to	Ut6A7 = 6A7 = Ut-6A7
Similar Tubes	Heater different: 2A7
First Source (s)	Mar.1933 : The AWA Review Vol. 7, 1992.

Base	7-Pin-Base U7A = small, old, USA Top contact with a cap
Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.3 Ampere / -: Indirect / -: Parallel / series AC/DC /
Literature	Essential Characteristics, GE 1973 Babani, International Radio Tube Encyclopaedia -- Collector info (Sammler)

KoBi
Konrad Birkner

ARRL Handbook 1972
Michael Schlör

No further Information for

Ut6A7

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