The room layout shown is how the room is configured duing listening sessions. When I'm not doing critical listening, the centered chair is in front of the left speaker and oriented towad the group. I noted the ancillary rooms because I think they and the hall/entry are stealing my lower frequencies.
The ceiling is slopped. 12ft on the left(at sub), 10.5ft center(lower left trap), and 9ft (far right).
I get very good imaging in that spot, though not as good as could be had in a better room. I have tried other arrangements. I had a long wall arrangement with the furniture all pushed to the corner and window. But that arrangement had almost as many audible accoustic issues and none of the WAF of the current setup.
I have two 24x48 standing panels. One lives against the left 1st reflection point. The other floats as needed. They work well behind the speakers and infront of the glass, but WAF prevents permanent placement there.
The three red rings indicate planned tube trap placement. I will build 6 4'x18" round tubes and stack to 8' in the three corners. When I stand at the lower left red ring, there is a strong positive bass node there. The other corners exhibit bass bloom but not as bad.
I have plans for treating the walls:
4 24"x48" white pannels to hang 3" off the ceiling.
5 medium corner tunes clones for the main room
2 small corner tunes clones for the end of the entry room
assorted panels for the walls - placed high (over 8ft) due to WAF issues
I made a pair of room lens clones and they work very well. However, they are in prototype form and not appreciated at all by the GF. Also the one that would take the right wing position can't live there because of traffic issues but I can move things out for listening sessions.
I didn't do anything scientific about this. I came up with the tube trap ideas from walking the room and locating bass nodes. I came up with the panel and corner placements by clap tests. I can't do much about the glass so I may have to invest in super heavy curtains. I've read alot of anecdotal reports and I recognize some issues and the reported solutions are integrated into the plans. But I can't say that I really know what I'm doing.
Bass at my seat is very weak. I would be happy to get rid of the subwoofer if I could get satisfying bass. I said 180hz but it could be lower where the roll off starts. I think my room has response similar to AK50s
.
Help?