Acoustic Sound Treatment


I have installed 4 DIY 4'x 30'' Jon Risch's sound panels.

Three went on the back wall covering four French doors.
The other went on a side wall at the first reflection point. The other side is a open wall.

The result I got is almost unbelievable. I never dreamed that these panels would change the sound so much for the better!

The music was all over the place before the panels. Now the soundstage is where it belongs and the sound is more focused. LP's that I thought were not recorded well are indeed right sounding.

This audio hobby done right must hit on all cylinders to reach the ultimate end. One of them is sound treatment. We can disagree on cables etc. but you have to be BD&D not to hear a difference in a properly treated room.

The back wall ceiling starts on a upward climb to 22'.

Would two ceiling corner panels help out to further treat my room?
128x128glory
Amen--you are preaching to choir, but I am glad to hear it. Couldn't tell you about your last question without knowing a lot more about the room and speakers. However, in general some type of bass trapping in the corners is beneficial.
Would two ceiling corner panels help out to further treat my room?

Yes. Undoubtedly...two large corner panels will likely give an audible improvement in bass and lower mid.
Glad they worked so well for you, my experience with the same DIY project was equally revelatory. It is likely that a couple of panels at the corners of the 22' wall and ceiling juncture would further improve the sound. In my room I found the first two panels improved the sound the most, further panels have yielded smaller incremental performance boosts. If one doesn't avail themselves of professional room analysis, there's going to be elements of guesswork and luck whose results amateurs can't anticipate.
Rives,

If you click on my system you can see the Audio Note speakers and the open area of the right speaker.
Above the left speaker the ceiling is 22' high. The back ceiling starts at 9' and goes up 22'.

If these members, who don't have panels, only know what these DIY panels have done to my system they would all be builing or buying some ASAP.

I can only imagine what you can do in a professional manner. It is like finding audio gold. Sometimes you can read reports on acoustic sound treatments and it goes over one's head. But to hear it first hand has made a firm beleiver out of me.
If I ever build another house you will be first on my list for my dedicated sound room.

I would dare to say that one's system can not reach it highest peak without the room being properly condition.