I've searched around a bit here and haven't seen a thread specifically on EQ for room modes. There's some guidance on the internet that suggests a Q of up to 15, which seems pretty peaky.
Just for fun, I've created a competing EQ to my convolution by just using the suite of measurements I took in the room and taking out the room modes manually (first in Roon, but then I will recreate it on my RME Dac so that they work when I play Idagio. The largest room modes are at 28 and 66, per measurement. It seems the Q ought to be narrower at lower frequency. It's interesting that the convolution file does not look like this (attached at bottom), and gives a more recessed presentation.
(OK, in the manual EQ I also took out a little dip in the 3k area that arises from my Harbeths' drop in dispersion around that area)
Here are some of the key measurements, which are quite consistent from sweep to MM and left to right.
convolution (L then R)
Just for fun, I've created a competing EQ to my convolution by just using the suite of measurements I took in the room and taking out the room modes manually (first in Roon, but then I will recreate it on my RME Dac so that they work when I play Idagio. The largest room modes are at 28 and 66, per measurement. It seems the Q ought to be narrower at lower frequency. It's interesting that the convolution file does not look like this (attached at bottom), and gives a more recessed presentation.
(OK, in the manual EQ I also took out a little dip in the 3k area that arises from my Harbeths' drop in dispersion around that area)
Here are some of the key measurements, which are quite consistent from sweep to MM and left to right.
convolution (L then R)