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Question on FR 66s

For some reason, search on FR 66s in agon did not turn up anything much. I recalled that recommended S2P distance is 296mm rather than 295mm and Stevenson geometry seems to work best. Is this correct? I already have FR 64s which works very nicely with Koetsu. In general, does FR 66s works well with the more modern cartridges, Lyra, Air Tight, Dynavector etc.
I am kind of curious to try it but not sure what to try it with. Beside those mentioned on my system page, I have Kiseki Blue, XV-1s and Miyajima Zero on hand currently.

Thanks for any suggestion.
suteetat
nandric's avatar
nandric
4,086 posts
 
Lew and I agreed that the necessary condition for repeating oneself is to do this twice. Otherwise ther would be no repetition at all. Newillekapadia obviously agrees with us. Now according to Lew 3 x repetition is not excusable. What than about endless repetition of, say, distortions?
halcro's avatar
halcro
2,664 posts
 
Endless repetition indeed Nikola.
The horror.........oh the horror.....
suteetat OP
435 posts
 
Hmmm... just wondering. I tried 231.5 mm P2S distance for FR64s and found that I could barely set overhang correctly
using Clearaudio protractor. Pushing the cartridge all the way out on the headshell (Kiseki Blue with Orsonic headshell, Air Tight with Ikeda headshell). If I use Feickert protractor,it fell just a touch short of Baerwald, nowhere near getting Lofgren nullpoint and Stevenson is the only on that I still have quite a bit room to spare.
I wonder if anyone else has the same problem or may be I am doing something wrong here. A friend has a Dennesen protractor that I want to try but have not had time to get it from him yet.

On FR66s, I only use Clearaudio protractor so far which is also barely fit but sounds the best I ever heard from Koetsu so I have not been fiddling around much with it yet.
nandric's avatar
nandric
4,086 posts
 
Suteetat, It is not my intention to suggest that you should become a collector of protractors but I ordered by Yip from the Mint tractor exactly this distance:231.5 mm
I need to adjust just one cart and than use this sample to adjust the other headshells/styli with a caliper. This method reduces those precarious adjustment acts to two: VTF and anti-skate.
Regards,
halcro's avatar
halcro
2,664 posts
 
If you use the 231.5mm S to P distance for the FR-64s.......you will not be able to interchange headshells onto the FR-66s which is best set at 295mm.
I prefer to set my FR-64s at the FR recommended 230mm S to P to match the 295mm of the FR-66s.
And yes......I have listened to the differences between the 230mm distance and the 231.5mm.........

However I don't think this will solve the problems you have described Suteetat?
I have plenty of 'play' distance for all headshells I have tried on both my FR arms to align for ALL the known geometries.
Something appears amiss in your story?
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