Need Dimensions of Grace G707 Counter Weight - diyAudio
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Old 22nd January 2013, 08:46 PM   #1
Bruce is offline Bruce  United States
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Join Date: Dec 2001
Default Need Dimensions of Grace G707 Counter Weight

Hi,

I have a Grace G-707 Tonearm and the Counter Balance Weight has been lost.
i.e. the main weight at the end of the tonearm (Not the Anti-Skating Weight)

I am going to make one and need the dimensions.

1) I need Diameter of Counter weight. I believe there is a slight taper in some versions - larger in front & Smaller in back.

2) Length of Counter Weight not counting the Plastic Adjustment Ring.

3) Length of the Plastic Ring. I might make one also but this might be a bit too much.

I would like the measurements in mm and need accuracy.

Surely someone out there has a G707 that they could measure.

And if your Counter weight is off the tone arm and you can weigh it that would be very cool.

Make sure the tonearm is locked down before you measure it to avoid Stylus disaster!

Thank you very Much!
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Old 30th January 2013, 02:08 AM   #2
limono is offline limono  United States
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Join Date: Mar 2007
Are you in US Bruce? I
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Old 30th January 2013, 09:52 PM   #3
Bruce is offline Bruce  United States
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Join Date: Dec 2001
Default Yes I am in US

Yes I am in US.
San Francisco/Bay Area.

Are you local?
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Old 30th January 2013, 09:55 PM   #4
limono is offline limono  United States
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Join Date: Mar 2007
No , I'm not (chicagoland) but I can send you 707 counterweight so you can copy it. I'm not using the tonearm at the moment.
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Old 30th January 2013, 09:58 PM   #5
sreten is online now sreten  United Kingdom
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Join Date: Nov 2003
Location: Brighton UK
Hi,

The dimensions are no real help if you don't know what is made of.

The weight is the important criteria if the pitch of the stub
and the tracking force indicator ring are to remain accurate.

rgds, sreten.
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