 |
| Identical to |
1679
|
| Similar
Tubes |
6J6 (other class quality (otherw. equal))
|
| First Source
(s) |
1949 : Tube Lore, Sibley, USA 1996
|
| Production stop |
1952 |
| Successor Tubes |
1684
|
|
| Was used by |
Technology / Measurement |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.6 Ampere /
Vf 6.3 Volts /
|
| 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 Intro. 1949; superseded 1952 by type 1684.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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|
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Telefunken Werkstattbuch
Wolfgang Bauer
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