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A nice filament voltage control...
Original poster: Brett Miller <brmtesla2@xxxxxxxxx>
...I found a great little dimmer type controller in my
old chemistry equipment. It was used to control the
temperature of a flash/beaker warmer. It's good up to
600 watts, so no problem for fine tuning my filament
transformer to reach the correct voltage for a
multitude of tube types. Now I won't have to haul two
heavy variacs around everytime I want to test out a
new vttc configuration.
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