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ID = 7447
Brand: Loewe-(Opta); Deutschland
Tube type:  Full-Wave Vacuum Rectifier 
Identical to 241NG = AZ12
First year 1938 Tube leaflet collection E.Erb Analysis by original leaflets

Base German Steel Y8A, 1938 (Codex=Ro)
Filament Vf 4 Volts / If 2.2 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
241NG: rtt
Michael Schlör


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