Modification of Carver Amazing Platinums... Help

I recently purchased what I believe to be the BEST bang for the buck, the Amazing Platinums. MINT condition piano gloss for only $800!!

Anyway, I was extremely disappointed to find that not only are they not bi-wirable, but the binding posts were outfitted with crappy plastic lugs. I want to vertically bi-amp these speakers with an Aragon 4004 mkII on the subs and a Music Reference RM-9 on the ribbons.

Can anyone with experience please explain to me what needs to be done to accomplish this, or point me in the right direction for modification instuctions?

I've posted this question to the Planar Asylum and done extensive searches on the net (with what little time I have) to no avail.

Thanks in advance to anyone that can help me!!!