That is an in room FR and means his room has some issues like all of ours. I would look to Hometheatershack and Ilka's testing at 15hz tune my prefered setting.
We managed to derail yet another thread
my first post:
Originally Posted By: jakewash
Which would you choose. The Yamaha HTR5660 or the Denon 1804? I have QS4 rears and vp100 center. My bose 201 mains are to be replaced by m22's very soon. I also hope to upgrade my sub next year. The room my HT system is in is only 12x16. Any thoughts on this set up are appreciated.
That sub was never replaced until a couple years ago