Quote:
Originally Posted by NoPegs
Drip some ethanol (aka denatured alcohol, not rubbing alcohol though...) on the stain, then daub it with a paper towel after 30 seconds or so. If your paper towel looks like you just wiped up a spill of cola then that's all shellac, and unlikely to be transformer wax... (Ethanol usually won't touch any of the waxes used for potting, it will however pick up carnauba wax to some extent...)
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Really as leaky as the filter caps were and knowing that some Ebay genius has applied wall current to it long enough to take pictures of the "magic eye" working and imply that it powers up great; I consider myself lucky that I have a working transformer at all. I love the one's who say the same thing if a pilot lamp comes on.
Everything on my unit works. Some bridge readings are dead on, then one will be too far off. Nothing is getting hot, but I know the tranny would have been hot quick on the filter caps I yanked with corrosion weeping out of the ends. Basically, I just don't like hearing my transformer to this degree. Are some 30s-40s transformers just louder in general? I wonder because my little Heathkit C2 also is quite noisy. The C3s I have are almost silent. I'm sure that wax in old transformers was in part to provide sound deadening properties & if it's gone perhaps you have what I have described.
I'm just sharing and gathering thoughts before I break out my Simpson 260 for current checks.