Fidelity Research 64s vs Jelco SA-750e

Great thoughts. Thank you. I had not thought about the weight of the ard the Sota suspension! Good warning...

This is great feedback! Exactly what I had hoped for. Karl_Desch, what a break for me that you have experience with both of these with a  Koetsu. Thanks so much.

Thanks noromance. One thing I want to be cautious of when changing tone arms is I don't want to significantly change the tonal balance. Right now it is about perfect and so I was hoping staying with jelco brand would give me a very similar total balance and house sound but reducing record noise and may be improving things without Shifting the balance. Is your experience with the 850 versus the 750 consistent with that or is the 850 very different sound?

I haven't made a move on tonearms yet, and instead changed phono stages from my ear 834P to a Joule OPS-1. I had Rich at Signature Sound upgrade caps to Jupiter Copper/wax and he also improved power supply. My God what a fantastic component! I cannot believe how organic, non-fatiguing and magical it sounds. Everything is a notch better in terms of convince people and instruments in real space. By the way, Rich was so great to work with. Super conscientious, careful and his work is beautiful. A+ for him!

So back to tonearms... Does anyone have an opinion about how much better the FR-64x or 64s might be than the Jelco 850? The 850 would be a drop-in replacement and no worries about weight with my aging Sota. I will either get the 850, or, if the FR arms are significantly better, wait and upgrade the table to a Nova or Cosmos and get an FR arm down the road a bit.

Thanks
Stu

Yes I have no doubt, basednon your and others' comments, that the 850 would be a great upgrade. I am just wondering how much I would be missing by not going all the way to a FR arm. I kinda feel like I might get 80% of the benefit by going to the 850, in which case due to cost and hassle, the 850 would win.

I bought a used Koetsu Rosewood Signature for $1400 that I use with my Jelco 750e (10") and old star.sapphire and it is pretty amazing sounding. I have trouble envisioning how it could improve, with the exception of perhaps less groove/record noise. But  buying used cartridges is high wire work... A little scary. I got lucky.

Yes I read your review. Very helpful  do you (or does anyone) have knowledge about the merits of the 950 vs the 850?

Reminder that I use the Koetsu Rosewood Signature and the compliance is rated at around 8-9 (5 by Japanese specs @100hz which I understand translates to 8-9 when comparing)

Thanks