Assertion is brave act on this forum, and requires willingness to accept being wrong sometimes. It happens to everyone now and then.
True, but during all this, we lost the OP, AAinPB. He had asked, "does anyone have any thoughts on new speakers that have that acoustic suspension sound--very smooth with tight bass (not boomy or overwhelming)."
KEW did direct him to a previous thread on that same subject. After that, all we could do was talk about terminology, acoustic suspension vs. sealed cabinet. Although there is a real difference, as Dennis pointed out, I think the OP was probably interested in sealed cabinet bass vs. ported bass.
Based on his original words, I think the OP may have been interested in bass sound resulting from a woofer cabinet design with in low Q = 0.7 or less. Although this can be achieved with either sealed or ported designs, it is true that many commercially available ported designs are deliberately built to exaggerate bass with a Q > 1.0. Too bad we lost him, because that would have made a more interesting thread.