Antique radios, Old Time Radios

W143


			Tube type:	Vacuum Pentode RF/IF-Stage Controlling (mu)

Tube ID = 21568


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Identical to	W143 = EF22
Similar Tubes	Other base: 6CJ5; EF41

Base	Loctal-8, B8G (Sylvania, 1938)
Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.2 Ampere / -: Indirect / -: Parallel / series AC/DC /
Literature	Röhren-Taschen-Tabelle 14.A, (Franzis RTT) - - - - - - - - -

RTT Schwandt
Günther Stabe

Usage in Models (calculation each 25th of the month)	2= 1949 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 2

No further Information for

W143

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