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In Reply to: Oh The wonder of cardboard posted by chris_w on January 24, 2007 at 16:26:48:
Until I can afford one of Ken's Neuance platforms, this sounds pretty good under the Linn!
Follow Ups:
that's funny. looks like a cat scratch pad. Which brings me to a problem I've just find with Lack rack... It's not all that stable and every morning I've found evidence of it being moved around by the cats jumping on it/sleeping on it at night.
the spikes because it is preferable to reduce the surface area of the coupling to each tabletop...otherwise you are transmitting unnecessary vibrations into each table.
But the point we are making is the honeycombe of cardboard doesnt couple that much at all. As the whole shooting match will flex with the vibrations and hence absorb it, thus the isolation is achived. think of it as a cardboard "2 shelf flexy rack".
Given the lack -pun not intended much :¬) of strength in the cut down version i think spikes might just phyically distort the base and the matrix in a bad way if the load is remotely heavy - but of course I might be wrong, I dare say given the nature of this place others will soon tell me so.
I have not tried a un-adulterated lack platform under me TT's with spikes, but it might work better (my SL2 s9ts on a 7 layer MDF composite of my own design and its rubber feet are very floaty anywhat. My Rega's in its box at the mo).
I might lop a corner off a trianglular lack oneday as this way it would fit the shelf, sorta reverse pink triangle stylie.
just trying to help Herb optimize the design, particularly since he said he is experiencing movement in levels.Here are quotes from Ken. Draw your own conclusion:
"use spike decoupling at the floor as well as at the support shelf interface [as this] presents a small surface area for airbourne intrusion/energising."
It really is a very different design from the flexy. In the flexy you have common vertical supports that transmit vibration vertically to each shelf.
The legs on the black Lack are hollow, which stumped for a while until I realized the interior measurement is just right for a 1 3/4" dowel to fit in.Then I started to waffle between just using some nice dowels - like nicely stained maple would look nice; but after seeing the black laminate legs in place I think they look good.
There is an added complication in that Ikea has recently decided to save maybe 2 cents per leg by not securing the screw into the leg with glue, so that once you screw a leg into the top, if you try to undo the leg, the screw stays in the top instead of coming out with the leg (the screws stay in the legs in my older Lacks).
This leaves you with a real pain of a job to take the screws out of the tops so I figure I'll just leave the Lack legs on - for the dowels it will be a simple slide in, mark off level with bottom of Lack leg, cut to correct length, and then set a spike in the bottom of the dowel as per the Lyon instructions.
What I've also done is glued down some metal washers on the table tops (Alene's Tacky Glue seems to hold them down really well while giving a good window for adjusting before the glue sets). When the legs are spiked the points will go into the donut hole area and (hopefully) the washers will prevent any disasters.
For now, the hollow leg walls fit around the washers and are prevented from sliding off the tops completey by the washers stopping them.
It would still be great to come up with some sort of way to keep the cats off. They are sneaky about it but I can't get rid of them.
Made from the plastic grill for fluorescent lights with golf tees hot glued on.Jim N
Hey Herb - we have five cats and they USED to get on the stereo rack.Using a squirt bottle to give a quick spritz if they get near the rack works wonders.
hi grailer, that used to work - until they started to get curious about the bath and gradually started to take baths at the same time as humans.
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