Antique radios, Old Time Radios
6257
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Country:
United States of America (USA)
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| Identical to |
6257
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| Similar
Tubes |
Multiple differences or of other kind:
6256
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| Filament |
Vf 12.6 Volts / If 27 Ampere / Direct |
| Description |
Water-cooled power triode designed for grounded-grid operation in FM broadcasting service or industrial heating. 5KW anode dissipation. Full ratings operation up to 110MHz. Manufactured by Machlett an Sylvania. 6257 is electrically identical to 6256, but comes with a factory-assembled integral water-jacket.
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| Information source |
- - Manufacturers Literature
Tube Lore (I)
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6257: Manufacturer's Literature
Emilio Ciardiello
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