Radios antiguas y Radios de Colección
1679
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País:
Estados Unidos
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| Idéntica a |
1679
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| Válvulas similares |
Other class quality (otherwise equal):
6J6
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| Fuente principal
(es) |
1949 : Tube Lore (I)
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| Fin producción |
1952 |
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Válvulas Sucesoras
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1684
5844
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| Filamento |
Vf 6.3 Volt / If 0.6 Ampere / Indirect / Specified voltage AC/DC |
| Descripción |
Min. Duotriode, 6J6 selected for improved cutoff and high zero-bias plate current, sold only to IBM for computer use. Tubes failing the selection became regular 6J6. Intro. 1949; superseded 1952 by type 1684. Bulbs were to be etched "6J6," not "1679" and branded with "IBM" and their part nos. 6J3000 and 300703. [Information by L. Sibley]
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1679: Telefunken Werkstattbuch
Wolfgang Bauer
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