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Magnetic levitation feet

https://www.ebay.co.uk/itm/184656986303?chn=ps&mkevt=1&mkcid=28

What do we think of these isolation devices, manufactured by Michell - of 60s/70s Transcriptors/A Clockwork Orange fame - and others?

Michell designed them for un-sprung turntables like the Transcriptors.  Two powerful magnets of washer form are arranged to repel each other, the upper one placed to slide on a vertical pillar.

They are nicely manufactured and presented and reasonably priced at £210 for a set of three (conforming to the old Linn triangular support mantra).  Some of the competitor examples are a bit cheaper.

I have not heard systems using them.  Has anyone?

How do they perform under CD players, amplifiers, DACS and other electronic components?
128x128clearthinker

Showing 1 response by mijostyn

mijostyn's avatar
mijostyn
8,150 posts
 
The problem with these is that there is resonance control only in the vertical direction. There is virtually no control horizontally. If you have ever tried to push to opposing magnets together by hand you will notice that they push each other away in a very slippery manner. It is hard to keep them opposed. In order to keep them opposed they have to be firmly captured and held in opposition. Springs have some horizontal resonance control but still not as effective as in the vertical direction.
MinusK platforms have almost identical control in both directions which is their claim to fame. 
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