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Help with Martin Logan Aerius Speakers

Hello all...

My listening room is very well dimensioned... I'd say about 15 feet wide, 23 feet long, and 14 feet high. My ML Aerius's are about 3 feet from the back wall, and about 3.75 feet from the side walls. They are about 7.5 feet apart from each other, toed in about 1.5-2 inches toward the listening position (which is about 10 feet away).
Everything sounds great, imaging is very precise, and I'm pretty happy with the soundstage. My only (albeit slight) complaint is the bass... a little on the boomy, muddy side. I'm looking to "clean" up the bass a little, but I have a few questions...

(1) Is this just a weak point with the ML Aerius speakers?
(2) I opened up the back panel... will adding more "stuffing" tighten up the bass? I'm not too concerned with extension down in to the low 30hz region... more interested in a cleaner, tighter bass.
(3) Would adding vibration damping materials to the woofer enclosure help?

I've tried some feable attempts at room treatments (couch pillows and such placed in the corners), and it didn't help very much. Also, I've tried all sorts of different placements in the room... What I have right now is the best for imaging and soundstage, and, like I said, the bass issue is not THAT big a deal. BUT, I figured I might ask for some input... Thanks in advance!
ewha

Showing 1 response by zenaissance

zenaissance
39 posts
 
Hi Ewha,

With my Aerius i's I basically raised them up about 2 inches from the floor. I buy several hockey pucks (yes hockey pucks) and stack them. I then find a solid MDF board to place on top of the pucks before placing the Aerius including the spikes on the board. You may want to place the spikes underneath the board with the pucks on top. Try this and experiment- it is a cost effective method and it works. I also tilt the speakers forward slightly. The bass has tightened up and the image is clearer (like a veil removed). Basically the Aerius woofer is too close to the ground (subceptible to vibration, resonance- the sound is trapped on the ground) and thus, when the Aerius i's are raised the sound opens up.

Zenaissance
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