I don't think most decent turntable bearings care much about a few ounce or a pound weight or clamp on it. I mean a VPI Prime platter weighs 20 lbs and as you know many platters weigh a lot more. I suspect the bearing can handle a weight just fine.
Weight, Clamp or stabilizer?
I have a vintage Pioneer PL-560 Direct-Drive Automatic Turntable purchased around 1980.
https://www.vinylengine.com/library/pioneer/pl-560.shtml
I'm trying to get it to produce the best sound its capable of. I plan to order a set of SVS subwoofer feet to replace the worn feet (I have an SVS subwoofer and removed its feet and temporarily placed them on the TT base with good results). I read an article about TT tweaks. A few things they suggested were an upgraded mat, clamp and isolation feet. Thing is since the TT is a direct drive I don't know how much extra weight it can take (if any), and the spindle is about 7/8 inches tall so I don't know if that's enough for a clamp. The original rubber mat it came with is in great shape. Do I need to replace it, too? I'm willing to invest in tweaks to improve this turntable, but not interested in replacing it.
https://www.vinylengine.com/library/pioneer/pl-560.shtml
I'm trying to get it to produce the best sound its capable of. I plan to order a set of SVS subwoofer feet to replace the worn feet (I have an SVS subwoofer and removed its feet and temporarily placed them on the TT base with good results). I read an article about TT tweaks. A few things they suggested were an upgraded mat, clamp and isolation feet. Thing is since the TT is a direct drive I don't know how much extra weight it can take (if any), and the spindle is about 7/8 inches tall so I don't know if that's enough for a clamp. The original rubber mat it came with is in great shape. Do I need to replace it, too? I'm willing to invest in tweaks to improve this turntable, but not interested in replacing it.