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SL1200G - Tonearm shape from side question for owners

I’m sure this is a silly question, I just bought a SL1200G, I’m used to a flat tone arm. This one seems to curve down a bit then flatten out where the head shell attaches. 
 

This is normal I assume? From back to front it seems to swoop down a little. It’s not flat. 

With a nicer headshell and a herbies mat, Dynavector 20x2 w/VAS Boron cantilever & Elliptical stylus it sounds amazing. I’m waiting on the custom protractor made for this table to ensure it’s lined up right. 

chriscox000
mijostyn's avatar
mijostyn
8,222 posts
 

@chriscox000 

That arm should be perfectly flat in side view, straight as a ruler. The S shaped curve is only in the horizontal as viewed from above. Either the arm tube is loose or it was damaged or not installed correctly.

lewm
12,510 posts
 

If an S-shaped arm is rotated about its axis, even a little, it would then appear to sag when viewed from the side. That would be an optical illusion but evidence that something is askew, literally. I would check the solidity and geometry of the grip on the arm wand at the pivot.  This is something you should not have to do, so also contact your seller. 

lewm
12,510 posts
 

In the above, I refer to the front-to-rear axis, the same plane as the azimuth adjustment.

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