Trying to fix possible bass null in my room - help please

[DL_Can]

Hi all.
I am a 2-channel listener. I've built up a fairly decent system over the past couple of years.
My room is approx. 24' long x 22' wide, with 9' ceilings that slope from, back and one side down to about 6' high.

I have the following gear:
Magico A3 tower speakers with Gaia feet
Electrocompaniet ECI6 Mk2 integrated
Gustard R26 DAC
Volumio Rivo streamer with external LPS
Blue jeans cables
2 x REL T/7X subwoofers

I am fairly limited to where I can have my listening chair due to the position of the TV and the couches in the room.

I have done the subwoofer crawl and spent a fair amount of time adjusting the gain/crossover and phase on the subwoofers.....to the best of my abilities. While I am not unhappy with the sound, I do feel like I am in a bit of a null and can improve the bass. I do plan on upgrading the subwoofers at some stage, but I'd rather do a little more work first.

I used REW a few months back and the results didn't make sense to me. I decided to give it another shot today. By looking at the graphs, it appears that my speakers and subs hardly put out any bass. However, when I play anything with good low end (Ratchets or Money for Nothing etc.), the bass does kick pretty hard.

I've attached the .mdat files as well as the room layout, and hoping someone can let me know what I am missing, any idea what's going on with the readings. All comments appreciated!

Thanks.

 

[Wayne A. Pflughaupt]

The room diagram certainly helps. A big part of the problem is that your listening position is in the dead-center of the room. The center of any square or shoe-box room is essentially a “bass hole” that exhibits the weakest perceived bass. Move from that position towards any boundary, and you will notice the bass level will increase.

Regarding your graph, if you say you get good bass with some songs, I can’t help but think you have something set wrong in REW.

Regards,
Wayne

 

[JStewart]

Regarding your graph, if you say you get good bass with some songs, I can’t help but think you have something set wrong in REW.

Or with Windows if using it. Windows can automatically apply noise cancelling to the mic input effectively rolling off the bass.

Post in thread 'I have (almost) no bass!'
https://www.avnirvana.com/threads/i-have-almost-no-bass.9988/post-76114

 

[DL_Can]

Thanks for the replies.

@wayne, I have moved my seat to different spots. Yes, the bass does increase when I move closer to the back wall, but that is about 14' to 18' from the speakers, so not ideal. I can't say the sound is better at that spot though, just more low bass. If I sit that far back, I will then need to move my speakers very far apart to stick to the Magico placement guidelines.

@JStewart, I did make the changes in Windows (after your recommendation), but this did not change the readings at all.

I have to believe that I have settings in REW that are incorrect?

 

[DL_Can]

Well, a little more playing around with the noise cancelling setting and.....voila! Thank you @JStewart!
Much better readings now. Looks like I may need to adjust the settings/position for the left sub?

 

[trobbins]

Do you have a cheapo sound level meter that can be set to C-weighting, and whilst playing a steady tone then move the meter away from your listening head position and note the change with distance in a few directions. That could provide some insight as to room modes and what to expect from a single point listening position (before your ears start helping).