Antique radios, Old Time Radios
820B
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Country:
United States of America (USA)
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| Identical to |
820B
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| Similar
Tubes |
Differences not known by us:
520B
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| Filament |
Vf 22 Volts / If 34 Ampere |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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