Wayne Parham Messages: 18792 Registered: January 2001
Illuminati (33rd Degree)
That looks like a really good speaker, but honestly, I wouldn't use it because it's an unknown variable. The four Pi loudspeaker has been designed and tested thoroughly and so we know how it acts. In particular, I'm concerned about the internal standing waves, because they tend to create modes in the lower midrange in a cabinet this size.
So I think you'll want to take advantage of the R&D that's already been done on the four Pi loudspeaker. It's worth more than the cost of the cabinets. Besides, you'd have to cut a new baffle anyway, so I don't think you'll save much effort by re-using the cabinet.
Sorry to further disappoint you but the 2225 won't work in the four Pi loudspeaker. It's an excellent driver - and it works great in the seven Pi cornerhorn - but not on in the four Pi model.