Antique radios, Old Time Radios
1679
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Country:
United States of America (USA)
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| Identical to |
1679
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| Similar
Tubes |
Other class quality (otherwise equal):
6J6
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| First Source
(s) |
1949 : Tube Lore (I)
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| Production stop |
1952 |
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Successor Tubes
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1684
5844
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| Filament |
Vf 6.3 Volts / If 0.6 Ampere / Indirect / Specified voltage AC/DC |
| Description |
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 Intro. 1949; superseded 1952 by type 1684.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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