Balifly
Listening
Your correct but not exactly. "Correct" is the overhang gauge. From what I have read the overhang is Stevenson but not exactly by a few thousandths. So what is correct? Does using Baerwald create IGD, Excess wear, etc? I really don't know. I used the Baerwald protractor because it looked very precise to me. I know very little about alignment. The trems Stevenson, Baerwald and Loefgren are new to me. The headshell I have doesn't fit the overhang gauge so I used a protractor. Most Technics owners use the overhang gauge. I had eyeballed the cartridge in and I detected slight distortion in some recordings. It seems the alignment cleaned it up. I'm not being scientific about it so I can't say for sure or measure the differences. Stevenson may be correct by Technics but is Baerwald wrong? I wish I had a test recording and lots of time.
You can safely use Baerwald protractor with your Technics turn table tone arm.
Here is a link to some useful information concerning protractors:
https://www.vinylengine.com/cartridge-alignment-protractors.shtml
Typically Baerwald protractor requires a headshell with longer mounting screw slots.
Most modern headshell have that type of slots, some older/vintage one do not and you can only use the 52mm factory set up or use the Stevenson protractor.
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