Fidelity Research FR64s Headshell dilemma

@lewm 
No need to apologise for your post on underhung alignment.

In fact, for my 68 Conway Twitty 45rpm singles, underhung alignment works beautifully - the 2-3 minute tracks are smack bang in the middle of a 12 inch record.

As a medical doctor you would know that even if something doesn't work, understanding why can be invaluable.

Clearly Raul does not understand how scientific debate can lead to great new discoveries. 

In fact for your Denon DL-103 with its conical tip the alignment method is absolutely irrelevant! Why? Because the stylus is CONICAL. Before you will twist your cartridge in the headshell to align it with something else like Baerwald please try to understand what is conical tip and what it the result of all that tricks with alignments with this conical tip (absolutely not worth the effort) **

This is not correct.
Just because the stylus is conical, does not mean alignment is irrelevant.
Offset angle affects tracking and tracking distortion - correct alignment will minimise tracking distortion caused by offset angle.

@nandric 
I'm sure you can figure it out, but if you cant, the doctor mistakenly thought she said  "I have a cute vagina".

Anytime i have new tonearm and cartridge i follow manufacturer recommendation only, i trust to tonearm/cartridge designer more than to anybody else!

The experts once thought the world was flat, too, until someone ventured west, and was stunned to discover they did not fall off.

Until i will be actually HEAR there is a problem i don’t care about all these pointless theoretical speech that one alignment is better than another.

This reminds me of an old doctor who received a visit from an attractive lady. Upon asking her why was she there, she said to him "I have acute angina". Unfortunately, as he was hard of hearing, he lost his license.

@karl_desch 
No - the problem is that cartridges do not have a standard distance between stylus tip and mounting holes. Similarly headshells vary in their length and postion on holes/slots. So when you push the P2S out you will get this problem from time to time. With the 231.5 P2S on the FR64S I have used the Orsonic 101, Ikeda, Denon PCL300 headshells and had no problems. I'm pretty sure the Sumiko headshell should get you there as well. On some headshells with a collet type connection for asimuth adjustment you can puah the shell out a little further without losing rigidity.

You can run either alignment, Stevenson or Baerwald, at either P2S. The only issue is cartridges with an integrated headshell like the FR7 because you cant alter their angle in the shell.
Furthermore, because the FR64S does not have offset bearings there is no advantage in having the cartridge straight in the headshell.
I have run Baerwald at both 230 & 231.5 - I can hear the difference, it is subtle, but the tracking angle error is reduced at the 231.5 - the sound is smoother and more integrated.
The original reason for 231.5 was as much as due to the balance of the arm and to minimise what is described as "break torque" as it was for alignment purposes.

I’ve never cared for linear tracking arms. All that extra complication - for what? It’s not as though you’re likely to hear tracking error in a properly installed conventional offset overhung arm.

Obviously you cant hear it, but others can.

No pivoted arm can reproduce the soundstage transparency and accuracy of a linear tracker, for example with choral music recorded in a church environment I can clearly hear the full extent of the room, and its aural impact.

Best you get rid of your CD player, it's a linear tracker.

No pivoted arm can reproduce the soundstage transparency and accuracy of a linear tracker

That’s quite a claim! What arms have you used to test that belief? In particular, I’d be interested in which 12-inch arms you’ve tried.

It’s not a claim, it is science. Less tracking error means there are less phase errors, less phase errors result in a more accurate reproduction of harmonics and more accurate phase and time, resulting in a more accurate and transparent soundstage.

With regard to your question on which arms I've owned, I currently own the following arms -
Eminent Technology ET2 {linear - modded extensively ), Fidelity Research FR64s, Naim Aro ( unipivot ), Dynavector 501 ( rebuilt to Baerwald specification ), SME 3012

12" Arms I have owned or set up and listened to extensively with a wide range of cartridges include SME V12, Moerch DP8 12" & SME 3012.

Similarly, I have also owned or set up on numerous occasions -
Kuzma 4Point11, Sumiko MDC800, Sumiko FT3, Syrinx PU3, Syrinx PU2, Helius Omega, Helius Cyalene, Well Tempered, Alphason HR100S, Zeta, Odyssey, Mayware, JH Reproducers, Hadcock 228, Goldmund T3 linear, Linn Ittok, Linn Ekos, Decca unipivot, Grace 707/747, to name a few. There are many others I’ve forgotten.

... for example with choral music recorded in a church environment I can clearly hear the full extent of the room, and its aural impact.

I can do that with a pivoted arm.

No you can't, as long as there is tracking error your soundstage reproduction is compromised for the abovementioned reasons.