Fidelity Research FR-64x


 Fidelity Research FR-64x.....(with silver wire ).  Is this arm still considered  viable today ?

offnon57
@mulveling I have tried three different headshells with my Koetsu RSP and FR-64S (copper). Yamamoto HS-4 (carbon), Yamamoto HS-6 (titanium) and Ortofon LH-8000.  Of the three, I like the Ortofon the best in my system.  It has the right balance of detail without brightness, midrange beauty and bass extension. I use PASS XP-15/XP-10/XA30.5. 
I know that the RSP is different than the stone Koetsu (which I would love to hear!) but maybe you should give the Ortofon a try?

-Karl
@rauliruegas i like this italic font you're using 


You left go a way superior tonearm in favor of your " new kid " FR. Well, I know that you are a seller too. Good. A seller of what? My own cartridges and stuff in upgrading process? As much as you and others.  

My Lustre goes to an old friend in the neighbourhood, i'm very positive about FR64fx with FR-7f, can't do anything about it. 


Makes no sense to use Stevenson A: higher distortions all over the LP surface in favor of WHAT.

If favor of "7 inch records as one of the reason, they are much smaller than "12 inch, and all musical information located as close to the spingle as the last track on LP surface. Less distortion in this particular area is more important than in the area outide of the '7 inch circle. But Stevenson was more concerned about classical music where crescendos moment (the most complex passages) located towards the inner side of the record. It's here in theory paragraph

If we want Löfgren A alignment in a FR tonearm using the FR effective length 245 spec then the P2S distance must be: 228.137mm , overhang : 16.863mm with an offset angle: 22.421°


@nandric correct, i trust my eyes, you should try feickert 
First points of loefgren and baerwald are so close to each other, so roughly 228 +/- is pivot to spindle distance if we don't use stevenson method. 

Dear chakster, I am sure you will be glad to know to own ''bigger

arm'' than you thought. Your FR-64 is an 10'' and not 9 '' tonearm.

228 mm is the distance for the later (aka 227) one inch more is

for the 10''. My tractor is made by Yip specific for the combo SP 10

FR-64s. If I remember well Lewm owns the ''best tractor'' designed

by Dertonarm. He also owns the ''rich man FR-64S'' (grin).

He obviously missed this thread.

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