A11B

Country:	Great Britain (UK)		Brand:	Ever Ready Co. (GB) Ltd.; London
			Tube type:	High-vacuum Rectifier

Tube ID = 7570


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Identical to	A11B
Similar Tubes	Normally replaceable-slightly different: IW3

Base	Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament	Vf 4 Volts / If: 2.4 Ampere / -: Direct /
Literature	Taschenbuch zum Röhren-Codex 1948/49

W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

Usage in Models (calculation each 25th of the month)	2= 1935 ; 3= 1936? ; 8= 1936 ; 1= 1937 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 14

No further Information for

A11B

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