Antique radios, Old Time Radios
KC-4
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Country:
United States of America (USA)
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| Identical to |
KC-4
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| Predecessor Tubes |
KC-3
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| Was used by |
Industrial |
| Filament |
Vf 9 Volts / If 32 Ampere |
| Description |
^This tube has a shielded spiral filament.
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| Information source |
Tube Lore (II) p. 214
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