I misplaced the floor spikes for a sub I retired awhile back...any home/hardware solutions that might work?...would large steel marbles dissipate energy ?.....
Your factory spikes are likely either M6 or 1/4-20 threaded. Go down to Home Depot and buy a bag of each thread, see which one works with your inserts. Then buy some replacement from any of the many places around, like Parts Express ...
It is easy to find replacement spikes; buy a couple of bolts and check the thread and then buy the spikes. Parts Express or other suppliers will have them.
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