"I wonder if they are yet another set of 2235H's some genius thought to remove the mass rings from"
Was Bernie Becker able to provide that listing of all the components and such from Westlake? Maybe that would answer Giskard's query (and a good one at that! )
Otherwise, I wonder whether some of the lack of low-end response is room position / stand related?
It's hard to imagine the cabinets could be tuned "wrong". What can you post about the porting?