In message <19990218225337.AAA20049@[18.104.22.168]>, Rich Measures
>>I have a very noisy SB220 power transformer that sounds like a bad
>>florescent ballast. Other than being noisy, the amp works fine.
>? Such transformers are normally potted in tar. However, you could
>have one with a potting void. . On my Web site, a simple method of
>potting transformers with polyester laminating resin is described. The
>transformer needs to be removed in order to do the potting. The screws
>that hold the laminations together need to be tightened before potting.
>- later, Len
Yacht varnish appears to work well. We submerged the tfr for 24hrs and
let it dry for a week or so.
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