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In Reply to: RE: Rogue Perseus noisiness- DIY fixed! (mostly) posted by MWE on April 19, 2017 at 12:50:20
If you prefer not isloating the analog circuitry from the xfrmr by separation distance, perhaps some magnetic shielding could offer you even more immunity to the noise. Something like some mumetal might help divert that noise energy to someplace less consequential to the audio.
I had given a bit of thought to that, as there's still some room left, I believe, to reduce the noise level further. Not having had any experience with mu-metal, are there any tips/techniques for using it effectively?
Mark in NC
"The thought that life could be better is woven indelibly into our hearts and our brains" -Paul Simon
I've never owned any. As I understand it it will be most effective for certain bands of B field.
If that isn't working try an E field shield such as some copper.
Rules of thumb for shields: 1. the more you can completely enclose the noise source by continuous shielding the better. 2. Thicker is better 3. with the e field shield, try floating, earthing, etc.
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