I don't know about SPectrol pots, but I have noticed that many OMEG pots have some kind of grease in them. If you get this on your fingers and later twin the strands of a wire it is impossible to solder that wire. And that grease is really sticky, you can't wash it away and hardly rub it off either... so just try not to touch the wiper pin... Robert
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Sodering advice
2006-03-21 by Robert Holmström