So I've got my mids mounted in my stock corner of the dash locations in my Camry. They actually sound pretty great overall except for a terrible 1.5khz null as seen here. They are actively high passed at ~250-300hz using the crossover in the amp and low passed at 2200hz using the morel passives. Blue trace is after some eq work through the headunits dsp:
Here is how the speakers reside:
The null remains with the tweeters off and also with the polarity switched on them. So, I'm 99% sure its destructive reflections from the windshield.
Before I proceed with expanding my system with additional equipment, I'm determined to remedy this 1.5khz null as I can plainly hear it and I believe it's killing presence in voices/strings and the snappiness of snares.
Here are a few possible remedies which I am contemplating but I'm always open to other's suggestions/critiques. Please feel free to let me know if these ideas are poop or if you have any other ideas.
1. Dash Pod for the mid to tilt them up to be on axis and further away from the windshield. Like this but just for the mid (tweeter will go in piller or sail):
2. Move mids to kick panels. -Concerns of losing stage height.
3. Replace tweeter with something that can play lower to take this null out of the mids passband... perhaps something like a Pioneer TS-S062PRS mid in the pillar or sail and on axis. I realize it would not provide the same top end extension but I honestly can't hear anything above 11khz anyway. I would cross it over to the mid 900-1khz. I heard these in a vehicle recently and was really blown away by them albeit they were accompanied by the prs tweeter.
I'm really looking for direction here. I know some of you have dealt with this issue before and I would like to hear about your experiences in trying to remedy it.