Antique radios, Old Time Radios
FP-78
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Country:
United States of America (USA)
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| Identical to |
FP-78
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| Similar
Tubes |
Heater different:
FP-92
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Successor Tubes
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FP-92
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| Base |
Edison big E27 = 27 mm
Top contact with a cap.
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| Was used by |
Industrial |
| Filament |
Vf 10 Volts / If 10 Ampere / Direct |
| Description |
No commercial equivalent known.
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| Information source |
Tube Lore (II) p. 212
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Just Qvigstad
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| Data Compliance |
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