Supex 900 question


Hi,
I recently came into a Supex 900 Super. Compared to an AT150MLX I have, it sounds warm, smooth, full bodied. The AT is much more three dimensional, airy and transparent.

When I run them both on the Hi-Fi News Test Record, the AT tracks like a champ. No problem with tracks 6-8. The Supex on the other hand only tracks 6 and buzzes substantially on 7 and 8. Both were set up with a Mint LP protractor. The Supex though was much more difficult to align because the cantilever is more pushed back and shorter. I think I got it right, maybe not quite as exact, but certainly better than I could with a worse protractor.

Are these tracking problems symptoms that the Supex may have suspension issues and need to be rebuilt? Or are they traditionally poor trackers?

I would love to get that smooth sound with a little more of the transparency of the AT.

Thanks,
Greg
gregmeier
What are you tracking the Supex at and what arm are you using? What is its mass? I use to be a Supex dealer in the 70s and 80s.
Hi Greg, I have a 909 mk2 which was rebuilt by the Garrotts to great effect. It tracks very well fwiw. To me it's kind of a 'poor man's' Koetsu if you can excuse the expression ;-) I use mine on either an Ikeda IT-345 or an SME 1012R.
Hi Stanwal, I have a KAB modified Technics SL12xx with the standard tonearm and fluid damper. I am tracking at 1.8. Do you think my problems could be a set up issue?