Component isolation


Let’s say you’re going to add isolation feet to a component with no moving parts, such as a preamp, phono stage, DAC, amp, tuner, etc. 

Which one is most critical to the extent would get your attention first? 
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Ok ...Thanks for your observations,that makes sense...But You dont explain to me why stones connected with batteries+magnets act the way they act on the sound … I have experimented with that for the last year and the results are so great I am curious the reason why and you seems one of the few people who understand something about stones in audio...
Reverse piezoelectric effect is probably the operating principle. 
geoffkait14,365 posts03-19-2019 6:38amReverse piezoelectric effect is probably the operating principle.


Thanks Geoffkait… This is food for my thinking...If I understand you the stones " filters" the EM of my interconnected audio gear by transforming a part of the distortion cause by the interactive EMF induced resonance in heat...Then  the stones placed along the main electrical line of my house act in the same manner: by piezo-electrical reverse effect? They "filters" by absorbing a portion of the electrical field and transforming  that into heat ? 

Thanks for your time I want to understand this effect, that was eyes opening for me with my audio hobby more than any purchase and more than any upgrade...