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merry xmas everybody!
about to get after tweaking the metal tubing in my lovans. i've sand, kitty litter and lead shot...any comments on the most effective load for the legs?
i also was going to try polyester battling in the crossmembers, but looks to be a terribly time consuming process, shoving it in there after cutting and rolling up. in its stead, i am thinking of using 'housing crack foam' from hardware store and just using that synthetic foam to fill up the cross members. any thoughts?
much obliged folks, and happy ho ho ho to you.
Follow Ups:
Rhyno-
which publication(s) do you write reviews?
when i click on his name, it shows he's a reviewer for Positive Feedback Online.
Lucky You Live Hawaii
Many Thanks! Hawaiiguy.
Found the "crack foam" did a great job for the legs and cross members.
For the shelves/platforms? I used an odd conglomeration of putty and the like, combined with some "dimm" (material from Submarines you're just not gonna get your hands on :) ) - that seemed the best solution & I was quite happy with the result.
Incidentally which Lovan rack system do you have
nt
Use them myself. Like their versatility.
Fill the legs as described. But use spruce planks in lieu of original press board shelves. You can use maple blocks too
from bybees to rack loading, you're always a wealth of info.
mahalo
rhyno
I own a Lovan Classic rack and I've often wondered how I might improve it's performance.My guess is that the most efficient way to stem unwanted vibrations of all types would be to replace or modify the stock shelves somehow. Vibrations that might be transmitted to the components via the metal framework cannot reach the components if the shelves are doing their jobs as effective neutralizers. And, because the shelves are the only parts of the rack that are touching your components it would make sense (to me) to look at them first, as one of the means by which component-borne vibrations might be drained, neutralized, or what have you.
The Grand Prix Audio Formula shelf is a good model to look at, IMO. The Formula shelves are prohibitively expensive, though, so you might want to invent your own unique and interesting layer formulation. Something along the lines of a birch plywood/carbon fiber laminate would be my first choice in a DIY experiment...
Edits: 12/25/14 12/25/14
1. be sure to seal all the joints with black RTV or the sand will leak out! Allow a day or so to dry thoroughly
2. I use a mix of fill material assymetrically on the four upright legs. One kind of fill makes for a uniform frequency. Mixing say wood chips, lead, loose nuts, etc in the various uprights distributed that FR more widely and you will hear a more even response.
3. Two part polyester foam works well for the horizontals. I stick in a little fill, lead shot, etc, again assymetrically and squirt in that two part foam. Again make sure you have sealed all the seams prior, and use duct tape (something really strong) to seal the acess holes after insertation. Dried two part foam leaking out is nasty stuff to clean up....
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