Forget the spikes and forget the rubber feet. You may get better sound with your Strata III by doing what I did.
Turn it upside down and put a board on the now upturned rubber feet, with something weighty on top of that board. You may have to turn up the volume level a bit on the sub, but the bass should get tighter and more tuneful. I also found, contrary to common "wisdom", to keep it out of the corner.
Enjoy,
Bob
Turn it upside down and put a board on the now upturned rubber feet, with something weighty on top of that board. You may have to turn up the volume level a bit on the sub, but the bass should get tighter and more tuneful. I also found, contrary to common "wisdom", to keep it out of the corner.
Enjoy,
Bob