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In the Forum: Audio Discussions
In the Thread: Mastodont DIY Rack: Wall Mount?
Post Subject: DIY Vibraplane clonePosted by N-set on: 11/24/2013
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Here is a little update on my DIY suspended rack.
The top TT table is made and preliminary tested for lekages.
This is basically a 1,4m x 0,7m DIY Vibraplane clone.
The steel profile is now filled with perlite. I feel it damps worse than sand+steel shots,
but I'm happy to have the additional 25kg load capacity and no LF "organic" steel vibrations.
I'm now moving to real tests with the TT on top of it, let's hope
it performs as good as it looks. I'm looking for a nice material to interface between the steel frame and the slate top
as a contrained layer--would be a sin to loos such an occasion for constr. lay. damping.
After some research, Sorbothane seems unsuitable as it leaks and looses it's properties under the load.
Rubber some claim "deadens" the sound whatever it means. Any ideas?
Cheers,
N-set
PS here are some pic of the new spikes (the cad drawing is few posts up) at the base (not at the table above).
My machinist has done a great work:
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