spikes , cones or platforms?


I have THIEL 2.4 and SS2 sub. They are on carpet on a wood floor. Has anybody experimented with spikes(soundanchors,oregonav) or cones(DH,BDR,stillpoints) or platforms(symposium,mapleshade)? Or a combonation of spikes and soft isolation? What is your experience?
drtalsma

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