Just throwing this out there. Feedback is welcome. The frd and zma files used in Xsim were created from in-box measurements. Somehow, I managed to buy the last two M130X drivers from GR Research.
I neglected to include the model number of the SB tweeter.
https://sbacoustics.com/wp-content/uploads/2020/05/SB21SDC-C000-4.pdf
https://sbacoustics.com/wp-content/uploads/2020/05/SB21SDC-C000-4.pdf