Antique radios, Old Time Radios
4J78
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| Identical to |
4J78
= M511
= JP9-250A
= CV3953
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| First Source
(s) |
01.May.1945 : - - Manufacturers Literature
08.Nov.1948 : Electron Tube Registration List 707
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| Filament |
Vf 12.6 Volts / If 4 Ampere |
| Description |
High-power X band, fixed frequency, 9003 to 9168MHz. 20 to 23KV, 27.5A, up to 300KW pulse. Hole and slot, 16 resonators, double strapping ring internal structure. Waveguide flanged output; pressurized guide required. Integral magnet. Amperex, EEV, Philips, Sylvania, Valvo, WE among the manufacturers.
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| Information source |
Tube Lore (I)
- - Manufacturers Literature
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4J78: Manufacturer's Literature
Emilio Ciardiello
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