Technics Overhang tool and Tonearm Resonance cap - diyAudio
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Old 2nd March 2013, 02:33 AM   #1
Robcrx is offline Robcrx  Canada
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Question Technics Overhang tool and Tonearm Resonance cap

Hi guys,
got my Technics 1200 cartridge overhang alignment tool as well as the Nylon Tonearm Resonance cap.

I have a question.
From my pics, does it look like the stylus is aligned properly ?
How accurate does it have to be ?
(I tried taking the best pics I could !)

thanks

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Tonearm Resonance cap:

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Old 3rd March 2013, 01:27 AM   #2
Robcrx is offline Robcrx  Canada
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Just finished aligning it. Such a pain in the butt to try and re-tighten the cartridge screws without moving the cartridge out of whack ! :tears:

Better ?

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Last edited by Robcrx; 3rd March 2013 at 01:32 AM.
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Old 4th March 2013, 01:20 AM   #3
andyr is offline andyr  Australia
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With respect, that Technics cartridge overhang alignment tool is open to gross parallax error. Get yourself an arc protractor like Ken Willis supplies ("Accutrak") - I have 3 of them (they're arm-specific).

You asked "How accurate does it have to be?" ... I would suggest to within 0.1mm, at worse.

Regards,

Andy
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Old 4th March 2013, 02:04 AM   #4
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Quote:
Originally Posted by andyr View Post
With respect, that Technics cartridge overhang alignment tool is open to gross parallax error. Get yourself an arc protractor like Ken Willis supplies ("Accutrak") - I have 3 of them (they're arm-specific).

You asked "How accurate does it have to be?" ... I would suggest to within 0.1mm, at worse.

Regards,

Andy
To achieve positioning accuracy to 0.1mm (0.004") would seem to require more than the unaided eye and unsteady hand. How do you get it that close?
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Old 4th March 2013, 02:34 AM   #5
andyr is offline andyr  Australia
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Quote:
Originally Posted by kevinahcc20 View Post
To achieve positioning accuracy to 0.1mm (0.004") would seem to require more than the unaided eye and unsteady hand. How do you get it that close?
Correct - with an unsteady hand, you will never get it that accurate.
With a steady hand, you can do it ... if you have:
* an arc protractor, and
* a bright light.

BTW, +/- 0.004" sounds much more daunting than +/- 0.1mm!


Regards,

Andy
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Old 4th March 2013, 06:46 PM   #6
MrPig is offline MrPig  United Kingdom
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Your cantilever looks bent?
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Old 4th March 2013, 09:58 PM   #7
Robcrx is offline Robcrx  Canada
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Originally Posted by MrPig View Post
Your cantilever looks bent?
Probably just the pic.. Its a brand new stylus.
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Old 5th March 2013, 11:35 AM   #8
mortron is offline mortron  Canada
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Originally Posted by Robcrx View Post
Probably just the pic.. Its a brand new stylus.
New stylii can have bent cantilevers due to poor quality control etc.
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