Sota Star Sapphire suspension question


Hey all; I picked up a beautiful Sota that has all the upgrades I would want. I'm coming from a VPI Scout and setup for the Sota is quite different. It has a ET 2 Arm. I have 2 questions, but if you have any comments please share. Initially I had the rubber feet screwed all the way up "locking" the sub chassis. I figured out I had to let the chassis go free. The arm board/arm side is lighter then the left motor side, is the where I load it up with lead to balance? Also, I tried my Benz SL and no matter what tracking force, the angle/weight are too heavy and distort my needle so I went back to a Dyn 20. Any thoughts on that. Also, I get no vacuum from the vac unit, I looked inside and it's clean but nada. Any thoughts. Thanks in advance. Jack
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Showing 2 responses by tonywinsc

It takes a bit of tweaking to make the ET2 arm work with the Sota's suspension. I had a buddy with that same set-up years ago. I am recalling his experience, not my personal experience so take this for what it is worth. The tonearm mass moving across the platter causes the level to shift. If I recall it correctly, you must level the platter (front to back) with the tonearm at the halfway point- the middle of the record so to speak. That way the platter is level minus a bit when the tonearm is at the edge of the record and level plus a bit when at the inner groove. Also, set the left side of the table (opposite the tonearm) just a bit lower than the right side of the table. All of that is after getting the correct amount of lead shot in the pocket. I think that you will find some cartridges will work better than others. Since the Sota is a floating chassis the arm will be putting some amount of side load on the cartridge's suspension.
You might need to disassemble the platter bearing and check that the vacuum ports are not blocked. It wouldn't hurt to clean and re-lube the bearing since you may not know when it was done last- if you haven't done that already. I use a synthetic grease and get good results with that. I clean out the bearing hole with a cotton swab and then blow it out to make sure no fibers are left behind.