On DEEPER IMPACT and on MORE POWERFUL IMPACT, the sponge (it seems to me) propels the ball out with both crazy spin and crazy speed.
So this would NOT HAPPEN on THIN BRUSH contact but on DEEPER CONTACT that is still SPIN CONTACT.
But, again, everyone has different feelings and perceptions when they use different equipment. Also, the way you contact the ball and the way I contact the ball might be different.
I think you may brush thin on your FH. Do you ever get the ball to sink deep into the sponge without letting it go so deep that it impacts the wood or causes the sponge to fully bottom out? If you do this while brushing, you get wild spin and speed with Rasanter R48 that is much faster and much spinnier than what T05 or MXP would give you. But you would have to know what I am talking about and know how to do it.
So, I am not sure if you will find it fast or faster than X, Y or Z. But I found it faster and spinnier than anything when I used certain specific techniques. And I liked it way more in every way than I liked R47. For me, when I want it to be fast it is much faster than my memory of R47.
Will that be the case for you? I don't know.