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In the Forum: Melquiades Amplifier
In the Thread: Bias help

Post Subject: Vibration controll...Posted by N-set on: 3/20/2011

...is a pita, no, no, PITA! In my circumstances I've had so far
reasonable results using foamed natural rubber to mechanicaly
damp the chassis. Has anyone tried that ridiculously expensive
silicone gel tape/chips?

As for the multiple shields on MC's. High perm materias shield the best (better confine
the stray flux) but they saturate fast, so they have to be shielded too. I'd guess
a +/- standard chain of shields is something like that: mumetal inside, then permalloy (50% Ni)
then soft steel, thick or twice. And Cu electrical shield somewhere there too.
Steels magnetically shields permalloy, permalloy mumetal, mumetal
the cores, and Cu takes care of electric fields.

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