Antique radios, Old Time Radios
7700
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Country:
United States of America (USA)
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| Identical to |
7700
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| Base |
6-Pin-Base U6A, old, USA (Codex=Kf)
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| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Specified voltage AND current AC/DC |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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7700: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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7700: DE MI COLECION
Justo Puertas-Paule
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