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In Reply to: Re: How to stop cabinet resonance in B&W DM601S2 posted by Eli Duttman on November 03, 1999 at 14:51:47:
Hello steve,you could put extra wood over the outside of the cabinet to strengthen them up (all sides except front baffle) as someone did at www.tnt-aduio.com
note though that you can make a cabinet as strong as a rock, but without proper lining all your efforts are waisted. Try lead loaded vinyl for the lining.Mark.
P.s you could also sell them, or dimote them to the kitchen and get somehting else if the pocket permits, as IMHO B&W's less expensive speakers arn't very nice. come to think of it, i don't like the 801's either.
... counter top material will do even better than wood. Since it already contains fiber-board, the extra rigidity would be appreciated.Also, in addition to lining the interior walls with absorbent material, you may want to think of hot gluing a highly perforated CarAudio foam baffle from PartsExpress just in back of your cone drivers to diffuse the driver's backwave into the box & isolate the driver from the box's acoustic standing waves. In lieu of an unparallel sided box, it's the next best thing.
Finally, PartsExpress carries felt to cover the entire facade of the enclosure to absorb acoustic room reflections & traverse sound waves that only diffract at the edges. The increased imaging effect is almost that of a curved front baffle board.
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