Quote Originally Posted by 02audionoob
Added weight will not cause speed deviation on a belt-drive turntable until you start to stall it. It will potentially be slower to get up to speed, but once it's there it runs at the same speed it always does - dependent on power frequency. The difference between Pro-Ject's acrylic platter and their glass platter is more than double the amount of weight we're discussing here.
Hmm. I guess that's something we all have to observe on our own, but on my Technics and PJ Belt drive decks, 2lbs of weight certainly slowed down the platter.

Do what sounds best I guess.