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3 Way bookshelf the easy way

This is the same poster from over on DIYaudio that used traced files and AI to come up with a design. The thread ended up being locked when nothing more positive came from it. The OP called his design faultless, and was not open to potential improvements.
What changes would you like to see
 
Here are off the shelf parts
parts.png

crossover.png

directivity horizontal.png

directivity vertical.png

box.png

frequency.png
 
here are the drivers and 1 foot 3inch diameter port, so total budget for a self assembled pair is in the $500 ball park, thats a $2000 speaker set right there
drivers.png
 
Here's design 2
 

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Here's design 2
You're experiencing an interaction between the drivers' impedance w/ the crossover. The mid ist mostly affected. A large coil, or a simple resistor in parallel to the driver may help.
 
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