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HF3104

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ID = 30242
       
Country:
Germany
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (new) 
Identical to HF3104 = 6A7_DDR = 6SA7_DDR = OSW3104

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 245

hf3104_so.png HF3104
Anonymous 10 Collector


Just Qvigstad
6sa7~~4.png
HF3104: Werk für Fernmeldewesen Schöneweide
Egon Strampe

 

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