Sorry for the late. I did something else in the lasto months.
But now I have time to spend in some fine tuning.I use JBJ 2226H woofer (with B&C250). Should I made some change to the low pass section of the filter? In the original crossover C4, C5 and R3 where not used whith JBL. Is it the same in the new one (it isn't clear in the attacced document)?