I think the issue you are having is rocking.
One thing everyone with medium weight speakers should try is adding mass to the top of the speaker, near the front. It reduces the ability of the woofers to rock the cabinet back and forth. Spikes make this tilting easier.
Best,
E
One thing everyone with medium weight speakers should try is adding mass to the top of the speaker, near the front. It reduces the ability of the woofers to rock the cabinet back and forth. Spikes make this tilting easier.
Best,
E