Radio-Katalog, Röhren, Halbleiter etc.
DFA9
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Land:
Grossbritannien (UK)
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| Identisch mit |
DFA9
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| Sockel |
Europasockel 4-Stift B4 (Eu A, E, 4A) 1914
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| Anwender |
Radio/TV-Empfang etc. |
| Heizung |
Uf 6 Volt / If 0.6 Ampere / Direkt / Batterieheizung = |
| Beschreibung |
"For use as Power amplifier for operation of the largest speakers, or as a low power transmitting valve." Mullard.
Va < 250; Ra 2000 ohms; 2.5mA/V
DFA series = Dull Filament Amplifying
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| Literatur |
- - Manufacturers Literature Advertisement Jan 1930
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DFA9: Fin Stewart
Fin Stewart
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Just Qvigstad
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DFA9: Experimental Wireless Dez 1929
Gerhard Eisenbarth
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[rmxtube-ge, noindex]
| Datenkonformität |
Mehr Informationen |
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