Antique radios, Old Time Radios
279A
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Country:
Worldwide
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| Identical to |
279A
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| Similar
Tubes |
Normally replaceable-slightly different:
379A
; CV669
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| Filament |
Vf 10 Volts / If 21 Ampere / Direct |
| Description |
Scaled-up version of 251A transmitting triode. 1.2KW anode dissipation, 20MHz operating frequency. Claimed in 1932 as 'largest radiation-cooled tube on the market'.
Amperex, Heintz Kaufman, Machlett, NEC, STC, Sylvania and WE among known manufacturers.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore (I)
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279A: Western electric electron tubes
Miguel Angel Trujillo-Rodriguez
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279A: Manufacturer's Literature
Emilio Ciardiello
More ...
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