Antique radios, Old Time Radios
443A
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Country:
United States of America (USA)
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| Identical to |
443A
= 6388
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| Base |
Noval, 9 pin miniature (USA pico-9) B9A
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| Filament |
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| Description |
Cold cathode tube wit starter electrode, intended as voltage regulator and control tube. 180V peak, regulates 69V, 10mA.
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| Information source |
Tube Lore (I)
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Just Qvigstad
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