Ohh, and obviously I don’t think you need to worry about being perfect down to 10hz, but your subs at least need to bow out gracefully without hitting xmax when pushed (maybe just a problem for me for stupidly over boosting down low early in my home brew setup).
If you’d like an album that tests that sub bass region, give this one a go: https://pitchfork.com/reviews/albums/arca-andandandandand/
If you’d like an album that tests that sub bass region, give this one a go: https://pitchfork.com/reviews/albums/arca-andandandandand/