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cartridge set up

last time i asked this question here i was advised to use my two points protractor.
i have n official one from ’well tempered’ arm turntable and arm which i use.
the suggested instruction i got here was if the the cartridge on those points tend toward the spindle to move the arm forward, and opposite if it tend to the other side.
the thing is that i got several time a strange result which on each of the points it tend to a different direction.
i think that there is a third factor , the angle of the cartridge on where it mounted (forgot how it’s called) , which can be can be rotate on my arm.
so i cant succeed to find the optimum set up.
will appreciate any advice/help.
is there a way to add photos?
128x128stone1
jjss49's avatar
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jjss49
6,612 posts
 
+1 to lewm’s comment

well tempered labs is alive and well https://www.welltemperedlab.net/

as is toffco/mike pranka who is their distributor in the usa http://www.dynavector-usa.com/index.html

mike is a prince, has assisted me numerous times, knowledgeable and responsive
stone1's avatar
stone1 OP
112 posts
 
jjss492 as i wrote it's not the same company and a bit different arm and turntable,
i asked them once about something else and the answer i got is that they no support those models

stone1's avatar
stone1 OP
112 posts
 
armstrod
the upgraded arm is a bit different from the original classic.
i have the manual of the classic.
but i try anyway and will send you my email.
thank you

mijostyn's avatar
mijostyn
8,570 posts
 
Stone1, I think the cheapest way to deal with this is a DB System's protractor. It will give you overhangs for various effective lengths. You measure the effective length by first centering the cartridge in the slot and setting the offset to 20 degrees. Next you measure the distance from the horizontal pivot axis (right between the strings!) to the stylus. Get the overhang from the chart on the DB system's protractor and set that by moving the cartridge in the slot. This is all approximate and does not have to be right on. It is just to get you close. Then you twist the cartridge to line the cantilever parallel to the lines at both null points. If you not do it this way then you will need to take the turntable to someone who can.
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