Antique radios, Old Time Radios
NA420
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Country:
Germany
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| Identical to |
NA420
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Filament |
Vf 3.2 Volts / If 0.2 Ampere / Direct / Battery = |
| Description |
Audion, Hoch- und Niederfrequenz, Oszillator; Durchgriff: 13%; Steilheit: 0,7 mA/V; Innenwiderstand: 11 kOhm
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| Information source |
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Just Qvigstad
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Collection of
Collection of a member from D |
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