Graham Phantom II 12" - dimensions and overhang


Hello guys,

I come from Europe and recently purchased Graham Phantom II tonearm with 12" armwand.I was missing specs for 12" armwand (in manual are specs for 9" and 10"),so I emailed to Bob Graham and asked him for specs for 12" version. The answer was,that 12" version should be adjusted same as SME V 12". Bob sent me document with SME dimensions as well.

So regarding this document specs are Leff 308,8, overhang 13,2, mounting distance ( Pivot-Spindle) 295,6.
To adjust mounting distance is easy using any quality protractor. I used Acoustic Solid.

http://www.acoustic-solid.de/html/schablone.html

So with mounting distance adjusted to 295,6,here comes the thing.
I should set overhang to 13,2 regarding to specs for SME V 12",but simply
elko
To further promote this alignment theme, I'm taking the risk of saying that the tonearm manufacturer does not have to deal with the specific geometry of the designed tonearm, but only with the mechanics! And that's because he doesn't have to know what is the innermost groove of your LP collection. Neither he can enforce you to use only his prefered alignment, just because he gives you a jig or a specific Eff.Length, ONCE HE IS USING A SLOTTED HEADSHELL!
Within the physical limits of the tonarm & the armboard under use we can decide entirely free by our listening.
Geoch, thanks for the info. I thought I read elsewhere on A'gon and saw a few other places that mentioned that Clearaudio protractor is the same as Dennesen, oh well...
I have the Dennesen, the Clearaudio, the Pluto and the Project of this family of protractors. Even if the Dennesen was still available, (discontinued) I would buy the Clearaudio instead. Ιt gives the better sound (especially the r min=75mm) it has 4 options, it is fairly accurate and is a joy to use. But although I'm allways starting from here, it seems impossible to resist in making my own customised paper.
I'm starting from the furthest permittable Pivot to Spindle distance (on each particular armboard) and then I'm checking if I can reach the Effective Length which corresponds to this according the protractor. From this place, the VE comparator takes order to modify the curve of the plot to my own priorities. Usually I don't change the Pivot, but experimenting with the Offset Angle instead, watching the tracking distortion, and the innermost & outermost grooves in the plot of the VE comparator.
BUT ... even if you don't bother to make your own changes, (especially if you don't care to change the null points and stuck with the Baerwald alignment) it is worth to find a 2 point protractor, in order to adjust precisely the zenith! because this kind of protractors, they strictly offer only the inner null point and THIS IS NOT ENOUGH by all means!
In every other case you have to design your own paper with outmost care. It's fun and it helps to understand the whole situation that is taking place there and most importantly it gives you the essential self-assurance that nothing left to chance.
Look like I have to burrow my friend's Dennesen and try it. I initially bought Clearaudio protractor mainly for my FR64s as I understand that FR 64s works best with Denneson. Oh well....at least I do have an access to one anyhow.