Quote:
Originally Posted by Herald1360
I think high ESR would decrease a capacitance reading. High leakage will increase it.
ESR is still relevant for the smoothing caps and output valve cathode decoupling caps, though.
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I'm not sure on the precise relationship, I was told a few years back some high capacitance readings I got were the result of high ESR. I don't know that for a fact. I tested a few waxies recently that were showing double their capacitance on the multimeter, yet next to no leakage even at 350v DC though, which was surprising.