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Sansui SR 828 'Sub-weight' Specs?

I have my second round of O rings on the way. The first several I ordered were much too large. I'll advise here Thursday or Friday. Again, if anyone wants one of these weights, let me know here once I have all the metal and O ring specs set. As I mentioned earlier, the first three metal bit sizes fit my 838 arm, but still need to settle on a final metal bit size & O ring for a secure fit.
 
Vintagear said:
Thanks for the kind words @plresults. Happy to contribute to this project and glad to see it coming to fruition. Looks good so far.

I'm guessing this weight will also fit an SR-929 tonearm. When I have time I will take my original weight to my buddy's to see if it fits his 929.
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@plresults, I tried my 838 sub-weight on my friends SR-929 tonearm but the opening is ~.5mm larger on that arm so it did not work. His version of the 929 is the one with the brand/logo lettering screened right onto the plinth, the metal indicator dial on the tone arm weight and a ribbed knob on the speed adjustment. Not sure if the weight would fit the other version of the 929. Both versions of the 929 can be seen in the thread below.

https://audiokarma.org/forums/index.php?threads/sansui-sr-929-different-versions.863360/
 
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Just FYI, I checked and the SR-838 sub weight fits the SR-636. Not surprising, the tables are nearly the same.
 
plresults said:
View attachment 2569469 View attachment 2569469 View attachment 2569464 View attachment 2569465 Putting this in here as this was the original thread. If you are a Sansui SR-838 TT user, and wish to have the hard to secure, and seemingly always lost, subweight, please let me know. The subweight is used when you have a heavier cart (12 grams or greater, if memory serves) and need to counterbalance arm. The subweight came with the 838 model, but are almost always lost. My friend has now made me four copies of increasing dimensions (each +0.005") over spec for male bit that fits into back of tone arm. Smallest three of four fit as is. I am going to secure some O rings for final, more secure, fitment. Once that is done, I'll have him make more, if anyone would like one. He didn't charge me anything (as I sold him some minty speakers cheap). This weight is used when you use a 'heavier' cart (more than 12 grams total weight, if memory serves). I run a Soundsmith Zephyr Mk III, which is right at that threshold. Pics below. Major thanks to @Vintagear, without whom this fabrication would have never happened! Thank you!
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Hello, I see this is a fairly old post, but I'm interested in obtaining one of your sub-weights. Please contact me is you see this.
 
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