Well, I saw a pair of B-3's being used on the NS24b's with no problem and I think that the b-3's and the RB-75's both weight the same or near the same weight. But, just for safety I would go with the Bello SP224 speaker stands just in case, plus they look better too. I wouldn't pay over $ 150 on a pair of speaker stands in my life. Plus, would just sit my center speaker ontop of my TV anyway's. Thats just what I would do.