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How to set SRA after determining true vertical?

Here is a picture of a stylus with zero rake angle:

http://members.cox.net/nsgarch/SRA@%200.0%20deg.jpg

Since all modern styli are symmetrical in the x and y plane about the verical z axis, the tapered stylus and its reflection will make a perfect "X" when vertical (z axis perpendicular to the groove) and viewed from the side.

This condition is established by raising or lowering the tonearm pivot post. Once you find this point, and assuming you have a typical 9" tonearm (about 230 mm from pivot to stylus) then each 4 mm you raise the post from the zero
SRA point will apply one degrewe of SRA to the stylus.

A test setup is shown in these two pics:

http://members.cox.net/nsgarch/SRA%20setup1.jpg
http://members.cox.net/nsgarch/SRA%20setup2.jpg

Equipment includes:

a mini Mag-Lite flashlite,
a first surface mirror from old SLR cameras -- easy to find at photo repair shop)
a 50X pocket microscope
bean bags

Don't forget to first remove antiskate and set VTF.

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128x128nsgarch

Showing 1 response by sirspeedy706802461

sirspeedy706802461
28 posts
 
Sorry Raul,Heavy metal is NOT in my collection.Almost everything else is.I would never have guessed you like Heavy Metal!!!!!!Never thought you were a heavy metal guy!!!!

Actually,other than my normal Classical,Jazz,and Avante Garde Classical,and Popular stuff,I have REALLY been going crazy over the earlier LP's of Perez Prado,and Tito Puente!!I haven't heard any newer groups that can duplicate their way with arrangements.Also,if you have heard them,originally,on vinyl,with their "original" musicians,it is hard to listen to the modern versions of this GREAT music.I just can't get used to anything electric,in great Latin music,though I had always loved Santana.Yet now that I have heard these guys,I think TITO well deserved the Royalties that he WAS payed,by Santana,for his arrangements.GREAT STUFF,those originals!!

Best!
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