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SP10mk2: OMA Graphite plinth vs.Dobbins plinth

According to the price lists they are in one category, but anyone could comment on quality/performance? At the moment i use big Teak Wood plinth (just $750) custom made in Taiwan for my SP10mk2. Looking for upgrade in the future. I use my sp10mk2 with Reed "12 tonearm now. Doest the plinth actually makes a big difference in sound? My stand is well damped with glass, metal and sarbothane in between.

1) Oswald Mill Audio graphite slate plinth (single layer) $2750, double layer looks fantastic but cost $3500

2) Steve Dobbins famous custom plinth cost $2650 including three Stillpoints feet and automotive show quality paint in black or white. Design has changed many times, still hard to find any current plinth picture online.

I know there are Albert Porter's and Artisan Fidelity quality plinth available, but i don't like the design (i mean just how it looks) for SP10.
128x128chakster

Showing 6 responses by geoffkait

geoffkait's avatar
geoffkait
23,365 posts
 
The Minus K certainly looks great on paper. It's the old Newport Sub Hertz Platform of yore repurposed.
geoffkait's avatar
geoffkait
23,365 posts
 
The minus k comes in at about 40 lb, no air, no electricity. Contrast with
say, Vibraplane that tips the scale at a little over 100 lbs due to the 100 lb steel ballast located below the air bladders.
geoffkait's avatar
geoffkait
23,365 posts
 
While preferring not to contradict anyone on stuff I cannot refrain from saying, in my own opinion, that Sorbothane, while seeming to be a perfectly good damping material, is actually not. Now, someone might possibly find some place where Sorbothane improves the sound, but I have found in most situations it ruins the sound. Like many rubbery, gel-like, soft materials Sorbothane appears to allow energy to be stored even more than it would be with no damping.
geoffkait's avatar
geoffkait
23,365 posts
 
If you're bound to use Sorbithane just get some Sorbothane insoles, or better still, hemorrhoid cushions. At least that's what I've been told. ;-)
geoffkait's avatar
geoffkait
23,365 posts
 
Dear Chakster, I realize you're discussing plinths, but I was merely pointing out the undesirability of Sorbothane, which actually you mentioned in your OP, something about a sandwich of Sorbothane and some other material.
geoffkait's avatar
geoffkait
23,365 posts
 
Uh, the sub Hertz performance. What did you think I was referring to?
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