This was a rectangular version of the wedges.
We were testing the possibility that a main system could be based
on our successful wedge design. We did some small shows using
2 of these per side on top of some of our 18" subs. The system
had a lot of excellent qualities including the ability to form "vertical
line arrays." I do not know where the others went, but two of
these are in Flea's rehearsal room. This ended up being the
foundation from which our current Rat 5 system is based.