It is placed on a wooden floor on rubber footers.
So why is it 'vibrating like it wants to fall apart' straight out of the box.
It's obviously faulty. Take it back.
subwoofer buzz - how to eliminate it
MartinLogan Dynamo 700w
At low frequencies, it vibrates, like it wants to fall apart. It does have a rubber feet, sitting on a hardwood floor, what could prevent it? Isolation feet? More rubber? Also it's facing the floor but can be turned sideways, would that help?