Crossover advice 80 Hz vs 120 Hz

[boater]

I could use some feedback from you more experienced audio set up guys for my family room setup for movie watching and music listening. Can you take a look at the attached REW sweeps and give me your thoughts? One sweep is with DEQ enabled and the crossovers set at 80Hz and the other is with DEQ turned off and the crossovers set at 120 Hz. I have read that 80 Hz is the recommended starting place for setting crossovers but the graph looks better to me with it set at 120 Hz. I still have the same bad room induced null from around 30-45 Hz but it looks to me like the 120 Hz crossover improved the drop off starting around 50 Hz compared to when the crossover is set to 80 Hz. The two graph pics are without scaling and with 1/6th scaling for reference. If you guys agree that the 120 Hz sweep looks better, can you also tell me if there is any downside to using that crossover vs. the more standard 80 Hz?
My equipment: Denon AVR-X8500H, Klipsch RP-280F L/R, Klipsch RP-450CA center, Klipsch RP-600M L&R surround, Klipsch RP-502S L&R rear surround, Klipsch RP-500SA Atmos front heights, Axiom QS8's as rear height speakers, two SVS PB-16 Ultra subs. Currently set up as a 7.2.4 sound system.

 

[Wayne A. Pflughaupt]

One sweep is with DEQ enabled and the crossovers set at 80Hz and the other is with DEQ turned off and the crossovers set at 120 Hz.

Which is which?

Regardless, you can't really do a valid comparison if one is with DEQ and one is without.

Regards,
Wayne A. Pflughaupt

 

[boater]

Which is which?

Regardless, you can't really do a valid comparison if one is with DEQ and one is without.

Regards,
Wayne A. Pflughaupt

Point taken. I will try to run another sweep with DEQ off at 120 Hz cross over. The red line is with DEQ on at 80 Hz.

 

[boater]

Which is which?

Regardless, you can't really do a valid comparison if one is with DEQ and one is without.

Regards,
Wayne A. Pflughaupt

Here is a comparison of two sweeps both with DEQ off and the phase settings on both subs at zero. The orange line is with the crossover set at 120 Hz and the blue line is with the crossover set at 80Hz. The second pic is of a sweep with the crossover at 80 Hz but with the phase setting on one sub set at 60. The phase change seems to have helped with the drop off after 50Hz but it didn't help with the big null around 43 Hz. I applied some PEQ boost in the subs to help that a little bit but don't know how to make it any better. I think it's just my room.