Yes, I was using a hardware implemented dirac (miniDSP) , but that doesnt really matter as it is at the end of the chain. I can turn it on or off.. same results of test whether DIRAC is enabled or not.

Roon/Tidal, SBT, Trinnov ST2 , Twin Devialet D premiers, Vivid Audio Giya G1 Spirits, dedicated and treated room.
Meridian gear: 568.2mm and DSP5000's acting as TV speakers.