I was of the understanding that those Beta3 mid/high cabs have a passive crossover built in. So using an external mid and high band across those cabinets is really going to mess things up. I think Ivan was mentioning this as well.
I am looking forward to hearing of some very positive improvements after they arrive.
It looks like it will be in January now before the cavalry arrive from Auckland. However, we have rewired the TLA's in parallel as suggested here, and rewired to one drive rack in stereo with seperate outputs for mids and highs (using the manufacturer's suggested crossover points). The flying subs and the floor subs are now being fed from the other drive rack using a seperate output from the desk (using the high and low pass figures suggested here).
We also found that in the haste of getting the auditorium completed. the electrician had wired some of the speakers out of phase with their counterparts on the other side of the room.
Already the system sounds heaps better.
Where did you see that the TLA's had a passive crossover built-in? Below is what it says in the specs and I read it to mean that you can buy an optional seperate active crossover and use that if you want ...
[The TLA101 is a 2-way design housing 2 10" neodymium kapton LF drivers and two 2 4" 1" (101.6 25.4)mm neodymium Kapton compression drivers. The cylindrical wave segments of each cabinet will couple without gaps and sum up coherently. Splay angles between adjacent cabinets can be set in the range form 0 to 5 in half degree steps.
TLA-101 system is two channels of amplifier UA2000 or UA2002(with active crossover provided by C-2600 between LF/MF and HF section of the 10" speaker). It can also be driven by AP-4U orAM-4U with analog or digital control cards.]