alright - I have gone through and done an EQ for a single speaker, measuring in REW and creating some filters that it predicts should get the measured curve close to the target curve, then entering those into the mObridge software. Then I re-measured, and... it doesn't look much different. Even with some really significant magnitude, some major attenuation, it seems to only do 1/4 of what I was trying to get it to do. I'm getting a bit frustrated...
Update: I think using REW and calculating correction curves and typing the calcualted filters into the mObridge software is not really the way to go. I didn't get good results that way. It's more about just having a target curve as a visual goal, and then adjusting various EQ points live via the mObridge graphical interface until the line in REW RTA gets kinda close.
I've done that a few times, and it's really interesting how _far_ from flat the base speaker curves are. I do have very basic speakers in there, I put in the Alpine S2-S40C component speakers in the dash because they are very cheap, I could test things out. I still have the JL C2-650X in the kick panels. They are rather egregious - extremely boomy and bass-heavy. Maybe it's the location, maybe I blew the tweeters, maybe they're actually that way?
So - I don't feel like I was getting as close to the target curves as I'd like, but I was able to improve things quite a lot. And, of course, setting the timing and the levels is a rather significantly useful starting point.
Tuning a few different times, fiddling, things sound different each time; so I don't feel like I'm getting close to ideal. My current hypothesis is that it'll take better speakers that have flatter response curves to get there. I can chip away at that over time!
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