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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
mijostyn's avatar
mijostyn
8,570 posts
 
That is  called offset angle. If you have overhang set correctly you just twist the cartridge so that it is parallel to the lines at both null points.
stone1's avatar
stone1 OP
112 posts
 
thanks.
the problem is that i don't know the right overhang cause at the time  i have upgraded to a different arm , and the instruction i have is for the original one.
chakster's avatar
chakster
6,144 posts
 
Buy yourself Dr. Feickert protractor, it's for all cartridge, all turntables, all tonearms. Choose the geometry you like (there are 3) and adjust everything properly. PS distance is measurable too. 
mijostyn's avatar
mijostyn
8,570 posts
 
You have to find the specs for your new arm. Who mounted it??
If you can tell me the effective length of the arm (distance from pivot axis to stylus) I can tell you the approximate overhang. The Feickert protractor will work if you feel like spending the money. 
stone1's avatar
stone1 OP
112 posts
 
it's called "well tempered classic arm upgrade"
a new black platter and black arm.
i was on a trip to California around 1997 and collect it directly from their office in Palo alto.
with instruction how to mount it,
i did the mounting for the original and for the upgrading.
i am not quiet sure i understand your meaning of  "distance from pivot axis to stylus".
as  i said , the headshell which the cartidge mounted on has the option to rotate the cartridge.
so every different angle will give a different distance from the pivot to the stylus.
if there only an option here to upload photos .
here there are some pics.
https://www.google.com/search?q=well+tempered+classic+upgraded+arm+photos&rlz=1C1AVUC_enIL798IL7...

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