Radios antiguas y Radios de Colección
CV428
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| Tipo: |
Beam Power Tube Power/Output |
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| Idéntica a |
CV428
= 5B/251M
= 5B/254M
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| Válvulas similares |
Other base and data slightly different:
CV2465
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| Base |
Loctal-8, B8G (Sylvania, 1938)
Top contact with a cap.
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| Filamento |
Vf 6.3 Volt / If 0.9 Ampere / Indirect / Specified voltage AC/DC |
| Descripción |
This is one of a range of reliable beam power tubes from STC. The 5B/254G, 5B/254M (CV428), 5B/255M (CV391), 5B/256M (CV499), 5B/257M (CV2220), 5B/258M (CV2347), were developed from the 5B/250A (807)with similar characteristics to the 807. The range comprises single and double-ended and wire terminated versions and were widely used in military and civilian equipments for both audio and radio frequency applications up to 125 MHz.
Total anode and screen dissipation <25W.
Power outputs from a pair at 60 MHz class C can achieve 40W with anode voltages of 600. At audio frequencies a pair in class AB2 can achieve 80W rms.
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CV428: Datenblatt
Wolfgang Bauer
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Just Qvigstad
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CV428: Manufacturer's Literature
Emilio Ciardiello
Mas ...
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