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On Tue, 21 Feb 2017 12:29:06 -0500, Ron wrote:
> I believe in this situation a huge rheostat would be better than a
>variable transformer of any kind. The rheostat would greatly reduce
>the "in-rush surge current." This will be much kinder to the filament
>of the tube/s.
REPLY:
IMO, if inrush current is a concern, one should install a step-start
circuit rather than depend on a rheostat which might or might not be
sufficient.
73, Bill W6WRT
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