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Single Ended Triodes (SETs), the ultimate tube lovers dream.

RE: AC filament voltage too high

Alternatives to primary/secondary resistors?

* a variac can be set to give the right voltage

* a step-down autoformer, or a spare filament winding off the HV transformer to modify the filament primary

* "hidden resistors" - small gauge wiring over long distances, common-mode choke, etc.

* replace with a regulated supply - too many kinds to mention all

* ...


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  • RE: AC filament voltage too high - Paul Joppa 22:12:11 08/15/15 (0)

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