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MEXICOWANDERER's avatar
MEXICOWANDERER
Explorer
Aug 15, 2015

100% Of The Capacitors Turn-Around In My Old WhiffCo.

This is a question not a statement. I am seeking clarification about the designation of THE LONGEST LASTING capacitors for my old 55-amp WhiffCo. 3, actually 1 stage converter. First of all I WANT ...
Chris_Bryant's avatar
Chris_Bryant
Explorer II
Aug 16, 2015
OK- sorry to wander a bit, but I have a tube preamp, '60's vintage, that hasn't been powered up in around 4 years, and at that time I know some of the capacitors were going- crackle while warming up.

My question- should I just power it up, borrow/find a variac to bring it up slowly (something I had heard about), or something else?

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