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...Ok, I suck at searching the archives for posts, even with googles advanced search, I'm completely helpless, and hopeless. For those that are interested in improving the sound of the OEM speakers here are the pix of the 2 DIY Projects that involve bolstering the subs for maximum performance.
Supplies needed: polyfil quilt batting, disposible foam brushes, fiberglass resin, plasti-dip, assorted screwdrivers. Most of the supplies are available at any home improvement store, the quilt batting can be found in Wal-Mart's craft dept.
Remove the sub enclosure from the roll hoop area, ditto the subs in the kick panels. Mix a small amount of fiberglass resin and baste 2 coats onto the speaker cones. After that has set up, baste 3-4 heavy coats of plasti-dip onto the rubber diaphragm surrounding the cone. After remounting the subs in the enclosure, take polyfil quilt batting and stuff 2-3 loose handfuls of this in the front and rear of the sub enclosure. The batting will slow down the sound waves exiting the enclosure and make it sound as thought the subs are in a larger box. The basting makes the speaker cones more rigid so there is virtually no flex in the cone at high volume. This would be analogous to the car's chassis flexing on uneven surfaces, with the result being creaking and squeaking. The cone of the speaker does the same thing. When it distorts, it distorts the shape of the sound waves emitted from it's surface, this causes buzzing and popping. Most high end subs use polycarbonate, or titanium in the speaker cone to prevent this. The HK's paper cones are it's weak link. I have listened to almost every kind of music since basting the speakers(several weeks ago) and the improved sound quality is well worth the small amount of time&money involved. I will bookmark this post in the future so you guys will not have to endure the torture of having to see yet another DIY Project(dead horse) beaten further.
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