oh, almost forgot. If it turns out your TV is a problem, two ways to mitigate it without making your listening room look like an abandoned playhouse:
Use standing acoustic panels to the sides, at 90 degrees to the wall.
The other is to increase absorption and diffusion behind your listening location.
Use standing acoustic panels to the sides, at 90 degrees to the wall.
The other is to increase absorption and diffusion behind your listening location.