Congratulations on your new speakers.
Both the S1 and the Atria have a bigger midrange driver (more like midbass in the S1), which means not nearly as wide dispersion as the 5” midrange in the A5. I am surprised you found the off-axis response lacking.
Both the S1 and the Atria have a bigger midrange driver (more like midbass in the S1), which means not nearly as wide dispersion as the 5” midrange in the A5. I am surprised you found the off-axis response lacking.