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floorstanders on carpet over concrete

I have my Paradigm Studio Reference 100v.2 in the basement on berber carpet over concrete floor. Initially I didn't use spikes trying to place speakers before spiking them down (as you know, Paradigms are quite heavy and not easy to move around) and the bass "boominess" was very strong. After installing spikes the "boominess" has decreased somewhat, but didn't go away completely. Interestingly I didn't notice that much "boominess" before I installed two dedicated 20 amp. circuits, I guess that the bass extension improved dramatically, hence the "boominess" problem ( what a controversy). So I have a few questions:
1. Is the coupling (decoupling) to the floor is the one to blame? and what should I do about it? granite slabs b/w speakers on spikes and the carpet?
2. Is this the room acoustics? and the bass traps are in order?
Please, help!!! The further I move into this, the more problems seem to surface.
maril555
maril555 OP
619 posts
 
I don't use any Power Line conditioning now, only a dedicated lines. Yesterday I tried to switch to my "old" lines, following the Tireguy's advise- didn't make any difference bass-wise.
jsawhitlock
302 posts
 
Try moving the speakers away from the back wall three inches at a time until the bass firms up. You may end up with them to far into the room so bass traps will be needed. When I ran my dedicated lines the most improvement was bass then detail. As stated above by moving breaker to other side can only effect eq. if the other appliance is running at the same time unless its a frig or something that is on all the time. The most important time to have breaker on same side is when multi dedicated lines are used, you want them on the same phase or leg of the sub panel. In my HT set up I run Paradigms and I find bass to be some what muddy, not as fast as I would like so that's where the sub comes into. I find these speakers need alot of room behind them. I think your best solution will be the bass traps! Another thing get rid of the crappy spikes that came with your speakers and pick some Michael Green Audio Points up as they worked for me. Good Luck Go to my system and scroll down to see my dedicated line project.
steuspeed's avatar
steuspeed
501 posts
 
Try adding some more cushy furniture in the room. It's free and worth a try if you can move something down there easily.
maril555 OP
619 posts
 
One comment about my speakers placement- the basement is inverse L-shaped with the listening room occupying short part (17x21 ft.),which places the right speaker near the long wall, with the open space to the left of the left speaker. The distance from the short back wall is appr. 4ft., the distance b/w speakers is 8-9 ft., so is the distance from the listening position. If I'll decide to go the bass trap route, what would be your reccommendations for the traps placement.
jsawhitlock
302 posts
 
I would try tube traps or echo busters. Go to there web sites as you can get great info for this. Room acoustics play a huge role in sound so you need to get educated about this. There are many types of room treatments that dont look half bad and will blend with room decor. I used Bass Busters, Echo Busters and Sonex Pyramids all improved my room by a bunch!
Happy Tunning!
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