Tri planar and shelter 901 and Verdier

Hi Tenmus,

Doug is the really the more experienced with this tonearm, I'm still looking at mine in the box. Perhaps he will chime in when the fog of Christmas Cheer has worn off. In the mean time, I'll try to fight through the fog.

From the directions and looking at the way the jig is used I would say that the pivot-to-spindle distance is set if the jig is held securely while marking for the mounting holes.

As for moving the armwand forward or backward I would not do that since you would change the effective length of the arm. I'm not sure if you are asking this question because you are worried about the armboard being too far away from the platter? I do not have hands-on experience with the Verdier but it does look to me that the armboard can be turned closer to platter by loosening the mounting bolt. You would probably want to loosen that bolt while you line up the Triplanar jig. Once you get the holes properly aligned on the armboard then I would carefully snug down the bolt to hold it in place while you mark the mounting holes for the arm. Turning the armboard will give the same effect you are looking for without changing the armtube length.

Please note that I'm going on pictures of your table so check this all out for yourself before doing anything permanent. I'm guessing that I'm close to how this should work as there has to be a way to mount 9" and 12" arms on that table.

At this level I think professional installation might be the way to go.

DougDeacon, when you refer to setting the pivot-to-spindle distance after mounting the arm are you suggesting that the jig is just close or is this just a check that the distance is correct? The instructions don't seem to suggest that such and adjustment is necessary if the jig is used. Still, I could see this being very easy with a pivoting armboard.

Actually, Greg, the installation is very straight forward. The mounting jig is very simple and almost fool proof. A picture would be self-explanatory but I've not played around with posting pictures here. Depending on one's mechanical aptitude and tool availability it should be less than an hour of work even with tapping the holes. But I do agree that if one is not sure experienced help should be sought out. Either way I think it would be wise to understand the process.

Sorry Dan I have made a confusion, my question was adressed to Doug.

In fact I want precisions because It seemed to me that if the tonearm is mounted correctly on the arm board ( with the jig) wich Doug describes as the first step, the second step ( find the pivot- to spindle distance) is automatically fixed by the first step???

Isn'it???

Thanks Doug

Yes, I'm curious about that statement as well since the instructions don't mention that as a next step after mounting with the jig.