R81

Country:	France		Brand:	Dario, Brand of SFR (Radiotechnique), France
			Tube type:	Screen-grid Tetrode RF/IF-Stage

Tube ID = 8092


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Identical to	R81 = B442
First Source (s)	1926 : Saga of the Vacuumtube, Tyne p.403

Base	Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Bo) Top contact screw type
Was used by	Radio/TV-reception etc.
Filament	Vf 4 Volts / If: 0.1 Ampere / -: Direct / -: Battery = /
Description	Codex falsch erfasst! Text in other languages (may differ)
Literature	Taschenbuch zum Röhren-Codex 1948/49

rtt
Michael Schlör

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R81

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