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Just how much do speakers suppose to vibrate?

I have a pair of Totem Staff speakers and when I play music with some bass content I can feel the top of the speakers vibrating to some degree. I like the sound of the speakers and I just wonder if the speakers suppose to vibrate this way. I do not play music very loud (around 85 dB peaks) and yes I tried stuffing the lower chamber with sand, but I did not like the result. Also I tried putting some iron weights over the top of the speakers and the vibrations lessen about half (this according with a vibrometer app for android). According to the vibrometer the vibrations go as high as  IV in the Modified Mercalli Intensity Scale. Is this level of vibrations normal for this speakers? Also I should mention that the speakers are spiked directly to the floor which is compose of tiles over concrete.
tiofelon
erik_squires
15,980 posts
 
In a well treated room, the sides and rear aren't as important as the doppler effect of the speaker itself actually moving back and forth. Adding weights is the best thing you can do. :)

But it only matters if you can hear it.

Best,


Erik
inna
7,256 posts
 
Try to put 10-15 pounds iron weight in the lower chamber instead of sand. Also, putting speakers on spiked wooden platform should be beneficial. Not all vibration is bad, you want to 'tune' not deaden. This I am not sure of, but it's possible that puting one half inch Walker Audio resonance control disc on each speaker would do good, one inch disc would probably be too much but hard to know without trying.
czarivey
5,772 posts
 
I remember the funny scene from the movie "Private Parts" when Howard asked ladies to sit down on their subwoofer when he was humming very low into his studio microphone LOL.
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