Antique radios, Old Time Radios

11

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Triode, vacuum Universal

Tube ID = 13387


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Identical to	11 = WD11 = C11 = UX112/A
Similar Tubes	Other base: 12; CX12; WD12; WX12
First Source (s)	1922 : -- Collector info (Sammler)

Base	WD-base (Codex=Bo)
Was used by	Radio/TV-reception etc.
Filament	Vf 1 Volts / If: 0.25 Ampere / -: Direct / -: Battery = /
Description	Ua = 90 V; Ia = 2,5 mA; Ug1 = -4,5 V; Ra = 15,5 kOhm; S 0,425 mA/V V = 6,6 Text in other languages (may differ)
Literature	Taschenbuch zum Röhren-Codex 1948/49


	KoBi Konrad Birkner

KoBi
Konrad Birkner

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11

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