D401A

Country:	United States of America (USA)	Brand:	DeForest-Tubes
		Tube type:	Triode, vacuum Universal
			Late but very rare. ***

Tube ID = 22377


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Identical to	D401A = 01A = UX201A = CX301A = UX-201-A
First Source (s)	1930 : Saga of the Vacuumtube, Tyne

Base	UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by	Radio/TV-reception etc.
Filament	Vf 5 Volts / If: 0.25 Ampere / -: Direct / -: Battery = /
Literature	Saga of the Vacuumtube, Tyne - - - - - - - - -

A.Vonarburg
Konrad Birkner

KoBi
Konrad Birkner

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D401A

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