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TELEFUNKEN n^öWi
Doppelendtriode für B-Verstärkung
Heizspannung Uf 6,3 Volt
Heizstrom lf 400 mA ^
Betriebswerte:
Anodenspannung ua 20Ã 250 Volt
Gittervorspannung (Spannung der Batterie)