Radios antiguas y Radios de Colección
251A
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País:
Estados Unidos
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| Idéntica a |
251A
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| Base |
Top contact with a cap.
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| Filamento |
Vf 10 Volt / If 16 Ampere / Direct |
| Descripción |
Bi-pin ceramic base, grid out from side; 22 inches glass body. Thoriated tungsten filament; mu 10.5; 1KW anode dissipation; 30MHz.
Amperex, Machlett, NEC, STC, WE among known manufacturers.
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| Literatura |
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore (I)
- - Manufacturers Literature
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251A: Western electric electron tubes
Miguel Angel Trujillo-Rodriguez
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251A: Manufacturer's Literature
Emilio Ciardiello
Mas ...
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