Most of the old codgers on the forum will recall when Scott Yee reported problems with phase cancellation using a pair of Bose L1 PAS systems. If I recall, he eventually corrected the problem by changing his spacing and making some other adjustments.

All the best,

Gary cool
_________________________
PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)