[QUOTE][i]Originally posted by amazingtrade [/i] [B]Thats the problem, if the base plate is left without the MDF the bass port will be covered, as the spikes on the speaker have a large foot print than the base plate. The bass port is underneath the speaker, the idea of of this was to make it less sensitive to how close it had to be placed near the wall. [/B][/QUOTE] Yep, that's what I thought you were saying. And though i'm not certain, I can't imagine having a ported cabinets port completely covered will be doing the speakers any favours! Get that MDF on there ASAP!