Absolutely. Achieving an in-room response improvement something like these is FAR more important than inserting an objectively better DAC.
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I bought a pair of Modiuses during a brief period of chasing SINAD. I found that I cannot hear a difference between a Modius with ~114dB SINAD and my Nova300 with ~86dB SINAD and my AVR with ~76 or ~94dB SINAD (depending on the operational mode). They all sound perfectly transparent to me.
Fantastic! Thank you for posting your Dirac vs Audyssey results too, that's the first time I have seen such a direct comparison because of XT32 sub EQ HT (with the App presumable) vs DL that I assume you have the latest version. All other comparisons I have seen posted were for the older versions and even the ones using XT32 were before the App was available.
The results look similar to my experience from beta testing DL two years ago and that may explain partially why yours do look better. DL has improved since. The claims that it is superior to Audyssey XT32 Sub EQ HT may be true and provable, but may also be true to a degree for various reasons that it may not be worth chasing either. I do plan on chasing regardless, but my goal is set very low as I am going to do to satisfy my curiosity. So even if it can do much better than the beta, I will use somehow somewhere.