My very heavy speakers came with 3 spikes per speaker....the floor is travertine tiles. Use or not use? (not for floor protection, but for sound improvement)
I use Herbie’s titanium Cone/Spike Puckies on three sets of speakers. They add a noticeable improvement to the sound quality. Tighter bass with better micro-dynamics.
In regard to JTCF's post above: I temporally used 8M carriage bolts with my Focal 726-floor standing speakers (two months) while I waited to receive my custom 8M spikes. As soon as I installed the spikes I noticed an immediate improvement with dynamics, sound stage, and bass. I believe you don't know what works until you try it.
I still have some gliders. They didn’t do much for me under equipment rack nor Sound Anchors for my speakers (laminate floor), but they protect the flooring fine :D
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