Refurbish Fidelity Research Tonearms


Would like to refurbish my FR-64s .... Has someone made it? Experience? Who? 
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Everyone has his own Point of view. I also did own 345 and sold it after comparison. For some it may important to quote wisdoms from a Designer but i am not interested what they say. They have to live from their product and the latest is always better than the former one.
The worst sounding preamps i ever listened to came from Lyra … so each his own. A complicated and expensive arm is always a problem in numbers of sale…
after all these years i do that, the more i know that most excellent designs are based on pure luck, there are endless examples out there, that the next one 
didn’t bite the bullet. But it is fixed in the marketing later.

Maybe, but I want to say that I’m happy with 64s, fx, fx pro, IT-345 tonearms. I like them all.