Quote:
Originally Posted by Kevin Kuehn
A Hammond #156R should do the trick. As far as intermittent resistance to ground, it's very possible the insulation is breaking down under presence of high voltage, then acting flaky without. If it were my set I'd probably be temporarily tacking in a large wattage 50 ohm resistor to replace the choke and continue to trouble shoot. Ideally you should be bringing up the AC voltage slowly with a variac, or at minimum a dim bulb tester while monitoring the power supply voltage. Highly unlikely your out of the woods, but it's a great start!
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I actually do have a variac but its currently not wired up, as it needs a box or something to be installed in and then an outlet wired up to it and a cord as well. (it was a variac that was inside a console style cabinet originally as part of a speed control on a milling machine of some sort).