New Maplenoll Ariadne owner needing advice

charlie
i will look at the barb tonite and see of i can find a source. Some of my instrumentation guru's at work might have a source.Surprised at mcmaster-carr response. Always had good success with them

I know nothing about this table, but do know about mortite. When fresh it's one product, but quickly dries out and is entirely different in a few months. It is not a stable product.

Olimanmojo: Thanks for any help you and the guru's can provide.

Stringeen : You are spot-on about mortite. It is for that reason and others I applied Roma professional modeling clay #2 that never drys out the way mortite does. I happen to have had two , 2 lb. bricks about 10-15 years old that were as "fresh" when opened as when I bought them. Thanks for your concern.

One nagging concern of mine as I hear of your progress is about all your attention to damping. I'm not here to tell you what's right. I don't think there is such a thing, but I would bear in mind that there seems to be an inverse relationship of damping of resonance to evacuation of same through rigid undamped coupling, two examples of this being Rega and Mapleshade. The profuse use of lead on the 'Noll reflects the choice of relatively rigid damping as opposed to sorbothane or even paint. I'm guessing that the application of clay will have effects that are perceived as positive, but possibly at the expense of clarity and dynamics. After you've gotten used to the sound of your "new" 'Noll, you may want to try removing the clay and see what you hear. In the mean time I wouldn't assume that more is better in every application. My intuitive sense is to prioritize evacuation first and then damping/isolation down stream such as in isolating the platform that the table sits on from the stand that it in turn sits on. It's a subtler example of focusing on rigidity within a table/arm and having the whole thing then suspended.

Pidepiper: Your view is well expressed. Thanks, I too have the those concerns and perhaps I have misused the term dampening. What I have been attempting is to eliminate "ringing" and hollowness that I have discovered in the turntable base. I also believe I am toneing down micro-air pulsations. Hopefully, the photo's will affirm that.

The Roma issue is well expressed. For the past several days I scraped the Roma on the topside in that portion of the "Q" (the "O") so that it only covers the lead by a "thumb nail" of thickness. Surprizingly, I found on the inside of the base the lead had puffed out and making no contact with the other base materals. The air space did not appear intentional, a manufacturing error or parts seperating over time. That has been corrected.

The tail of the "Q" had been of concern to Fred Kaplan. He made no mention of it in the review ,but privately, at the time of sale, he said it was a source of concern that he believed to have been corrected by un-capping & leaving the area exposed. As posted , that was where a circular hole was drilled thru the table to house the motor. That area has been filled , we will learn later if that's a good idea.

I have been examining a Raven attempting to draw out an idea or so. What I hope is news is that floating the top bearing plate over a quiet(er) bottom plate should improve the over-all sonics, only time will tell. Before the bottom plate sat squarely on top of that lead bubble and the edge clanged , not the sweet bell sound of the top plate. My review of the underside bushings causes me to feel these should be replaced by anyone owning a similar 'Noll. Of course, the proof is in the sonics and we are not close to that. Soundsmith returned my cart with a tad of correction ,no new stylas , that's reserved for the AQ 7000 later on.

This project is more involved than I presumed in the beginning. I think the knowledge aquired is worth the effort. Piedpiper, thanks for your views. Since this project is on-going its perfectly reasonable to assume modifications to the Roma.