6939: Difference between revisions

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{{Vacuum Tube
{{Vacuum Tube
|Type=Double Tetrode
|Type=Dual Tetrode
|Number=6939
|Number=6939
|EuroNumber=QQE02/5, QQV02/6
|EuroNumber=QQE02/5, QQV02/6

Latest revision as of 12:12, 6 July 2022

The 6939  (European: QQE02/5, QQV02/6) is a dual tetrode vacuum tube (QA 2 × 3 W) designed for push-pull RF amplifier power stages.

The 7699 is similar.

Links

Used in

  • 581/585 early models - final vertical output stage
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