Antique radios, Old Time Radios
897
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Country:
United States of America (USA)
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| Identical to |
897
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| Filament |
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| Description |
Little known ballast tube, possibly with a UX base. Discontinued by RCA October 4, 1931. Also known as UX897 and FB-49 (GE).
Drops 4-8volts at 1.15a.
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| Information source |
Tube Lore (II) p. 81 & 211
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