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How good is the Obsidian plinth of Technics SP10 ?

Recently I heard an SP10 MK2 playing music at a friend's place. It was mounted on the stock Obsidian plinth. It actually sounded very good. I wonder how good is the Obsidian plinth compared to:

1. Typical after market birch ply plinths ?

2. Custom designed plinth like the Panzerholz plinths made by Albert Porter ?

Any ideas ?
pani
nandric's avatar
nandric
4,086 posts
 
Hi Chris 74, well there are many 'things' that I can't
imagine. Say the number of particles or the speed of light.
Even some more to the earth things. Like, for example, why
should anyone buy a 4-5 K plinth for an $1000 SP-10 TT?
Not to mention the arguments like 'the inherent body,
weight', etc., which are as expressions inscrutable to me
in this context.
To recommend such plinths is of course your privilege but
to judge this recommendation as nonsense is my.
downunder
1,329 posts
 
I recently got a TECHNICS SL-1000MK3D - SP10-MK3 SH-10B5 Plinth. and have just installed a Thales Simplicity II tonearm.  Surperb sounding table on my diy compression spring platform.  

  I feel there is nothing wrong with the plinth as its very well damped. The feet however, I feel they might be able to be inproved?

  How do you get the feet off the SH-10B5 plinth?   I have tried unscrew the feet, however they will not budge and I don't want to break them.
lewm
13,229 posts
 
Nandric, et al. If you want to take Raul’s testimony about the AT636, keep in mind that he recommended using them under the naked chassis of an SP10 MK2. No obsidian plinth; just set the chassis down on 3 or 4 AT636s. Raul and I went at each other over this practice; I still think it’s a bad idea, because of the fact that the chassis will want to twist in the opposite direction of platter rotation, and the feet are entirely insufficient to anchor the chassis. So, I must ask, Nandric. Are you using the AT636 under your obsidian plinth or under the naked chassis, a la Raul?
downunder
1,329 posts
 
I used Stillpoint Ultra SS’s under the Technics mk3 plinth, by passing the feet. Results were poor.
Using the Mk3 feet was clearer sound, but a little bass heavy - more my rack than the Technics as when I transposed the technics onto the Granite/compressions spring stand - everything improved markedly.

https://www.flickr.com/photos/13641350@N08/35165280066/in/album-72157682466955655/

https://www.flickr.com/photos/13641350@N08/35165280846/in/album-72157682466955655/



lewm
13,229 posts
 
Shane, That looks nice and simple.  Is that a Thales tonearm? Has it displaced the Technics tonearm?  Thanks.
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