Antique radios, Old Time Radios
448A
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Country:
United States of America (USA)
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| Identical to |
448A
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| Filament |
Vf 6.3 Volts / If 0.45 Ampere / Indirect |
| Description |
31.5mS, 6W. Also made by NEC. 'B' suffix has inside of the bulb coated with Aquadag.
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| Information source |
-- Collector info (Sammler)
Tube Lore (I)
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