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Changed Speaker Placement NOW BOOMY

Hello,

I have a bit of a problem. We bought new furniture for the living room where the stereo is and after replacing a couch, adding a chair and moving the speakers and audio rack down about 2 feet towards the corner and the speakers which where about 3 feet off the wall before are now about 14" off the wall.

I now have this unnatural sub boom and since I am using thiel 1.6 which have very little if any sub freq I can only assume its the room.

I understand that moving stuff around can do this, but its such a big change and I really dont have much room to play with.

Are there any cheap cheap cheap ways of fixing boom bass in a room.

The room is 12' X 26' with 9' ceilings.

If you look at my system pix the stereo is sorta in the same place with minor adjustments.

Any help would be super awesome.
128x128thegoldenear
kijanki's avatar
kijanki
4,426 posts
 
12' distance should give resonance at 48Hz while 26' span amplifies 22Hz

F= 1150/(2xd) where 2xd is twice the distance (wave has to travel forth and back to add in the same phase).
timlub
2,039 posts
 
Kijanki, in wave length yes, but the corners are acting like a horn load and things around the corner can change or break the wavelength. We need to kill the frequencies from being radiated from the horn. Tim
timlub
2,039 posts
 
By the way, I cannot imagine your chair being hard enough to reflect bass wave, but for now, just put a blanket over it and see what happens. Tim
thegoldenear's avatar
thegoldenear OP
121 posts
 
Timlub - the nearest side wall is 6 feet away and yes they are towed in a tiny bit. As for the golden triangle rule, maybe a slight variation of it.

Thanks.
kijanki's avatar
kijanki
4,426 posts
 
Timlub - Yes, corners are the worst (I have window in one).
Damping materials work effectively to about 100Hz at 2" thickness. Further down it requires going to 4" panels (dense fiberglass) and positioning them 1/4 wave from the wall. I'm in process in building 2" panels (dense fiberglass material) but have to take care of corners as well. A lot of work and it doesn't come cheap. In addition there is WAF.
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