Antique radios, Old Time Radios
397A
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Country:
United States of America (USA)
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| Identical to |
397A
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| Similar
Tubes |
Different maximum ratings:
D-178461
Other characteristic (electr. data):
438A
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| Filament |
Indirect / Specified voltage AC/DC |
| Description |
Reflex klystron, 723A/B format; tunes 3955 to 4235MHz.
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| Information source |
Tube Lore (I)
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397A
Emilio Ciardiello
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