There is no fixed amount and there is a procedure in the manual. If don't have a manual email me thru audiogon and I'll make you a copy.
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I've had 3 Sota tables including the current version of NOVA. I found I wonderfully balance the chassis of the NOVA without any shot. I have a heavy armboard. Experiment some after you read through the manual Swampwalker has offered you.
Suggestion. Consider spikes for your table. I have found an appreciable difference using them instead of the standard feet.
You can also contact the kind folks at SOTA for input.
If you have a scale, then weight the arm-board and arm. Then and enough lead to flatten the sub-plinth and then take out the amount of lead to equal the arm board and arm. Then attach the arm-board and arm and all should be well.
Signed Man of Wisdom.
This is from memory. About 6 years ago I had a Sapphire. If I am totally wrong don't slam please. My ego is very fragile.
Thanks all, especially for the generous offer of the manual. I do have the manual but it does not specify how much lead comes from the factory; it does cover the procedure. Thanks also for your input on the spikes, that seems quite logical. The footers from Mapleshade look pretty neat but pricey; any other suggestions are welcome. When I get my unit back from SOTA I will post comments on the service and also measure the leg bolts (diameter and thread). Thanks again -- hifigeezer
You need enough lead shot so that the sum of your armboard weight and the lead shot weight equals from 2 lbs., 15 oz. and 3 lbs.
In short, the combined weight of the armboard and lead shot should be very close to and not exceed 3 lbs.
The combined weight of the SOTA-supplied armboard and the lead shot supplied with my turntable was exactly 3 lbs.
The 3 lbs total weight is to control the resonant frequency of the suspension.
Once you have the proper amount of lead shot, then follow the SOTA setup instructions.