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Vintage Synth Repair

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Re: [vintagesynthrepair] Isolation transformer / variac during restoration

2013-09-15 by Tom Butcher

Thanks for the info and feedback! I guess I'll just throw the switch when I'm ready and see what blows up.

On Sep 14, 2013, at 11:43 AM, kslinkard@... wrote:


I've heard a couple of sources recommend using a variac to gradually increase the voltage from zero to full over 24 hours to "break in" new or long unused electrolytic caps in the power supply, but then I've heard even more sources say this is completely unneccessary. I've actually tried it both ways and can't tell any difference.


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