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Correct alignment for Fidelity Research 64fx/SPU?

Hello,

I've recently paired SPU Spirit with FR64fx (& additional counterweight).

FR64fx is mounted at 230mm pivot to spindle distance on my Garrard 301.

I currently experience a light distortion and mistracking. As I tried the SPU before on almost ad hoc mounted 3012 and that sounded technically correct (though not as convincing as with FR64fx in terms of emotional performance), I'm pretty convinced I will need to realign the tonearm.

I would appreciate any info related to an experience of 64/SPU users here, which would differ from a usual 230m PTS alignment. Also, I keep on reading that Stevenson alignment would be preferred, is there any explanation why so?

Basically I need to make a good decision as I have no armboard - whatever decision I make I will need to get a new top board with a new hole for a new alignment.

Many thanks!
anubisgrau

Showing 1 response by totem395

totem395
390 posts
 
 To add to some original comments made regarding 
the SME 3012 and its suitability or not, the specific reference
was to the R version and differs from the standard 3012 model
quite a bit.

The R series was modelled after the first series 1, 3012 circa 1955
which differed in both mass and materials used for the arm tube. 

Comparing any 3012 to other than the original rare series 1 or 
the JDM R version is apples and oranges.


 

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