very interesting info about tonearm alignment

federico moreno · 22nd September 2005, 09:47 PM

I have searched in the forums and found no references about this link. I believe that the most useful info is the Stevenson´s document, circa 1966. I have noticed that there is a page missing, but is still plenty of data to designers and diyers.
It includes four designs of alignment tools -each one with a different pair of ¨zero distortion points¨-, suited to the reproduction of 12¨ discs, 7¨ discs, etc.

http://www.helices.org/auDio/turnTable/

Cheers

jeff spall · 23rd September 2005, 01:49 PM

Hi, thanks for posting this, I think you've found us a source for what are really the standard works on tonearm geometry, still used today. I've heard these names, but never seen the originals.

Some while ago I was sent a copy of a very good article that digests these papers for the mathematically challenged (like me!):

http://www.william-reed.net/audio/tonearms.sit
or
http://www.william-reed.net/audio/tonearms.zip

regards, jeff

22nd September 2005, 09:47 PM	#1
federico moreno diyAudio Member Join Date: Dec 2003 Location: Buenos Aires, Argentina	very interesting info about tonearm alignment I have searched in the forums and found no references about this link. I believe that the most useful info is the Stevenson´s document, circa 1966. I have noticed that there is a page missing, but is still plenty of data to designers and diyers. It includes four designs of alignment tools -each one with a different pair of ¨zero distortion points¨-, suited to the reproduction of 12¨ discs, 7¨ discs, etc. http://www.helices.org/auDio/turnTable/ Cheers

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23rd September 2005, 01:49 PM	#2
jeff spall diyAudio Member Join Date: Nov 2004 Location: Surrey, UK	Hi, thanks for posting this, I think you've found us a source for what are really the standard works on tonearm geometry, still used today. I've heard these names, but never seen the originals. Some while ago I was sent a copy of a very good article that digests these papers for the mathematically challenged (like me!): http://www.william-reed.net/audio/tonearms.sit or http://www.william-reed.net/audio/tonearms.zip regards, jeff

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