Today I moved the subwoofers and measured again to see how the graphs look. I also did a short SPL test with all 6 active SWs.
This is what today's graphs look like, and the sound is ok to my ears.
I placed them approximately on the six sides, two front/back and one on the side.
I had to move them several times until I got rid of the biggest voids in the room.
I'm waiting to test with DSP as well.
Of course, the speakers were only put in for the picture, it's a bit silly to put the surrounds in without SW.
I forgot to put the picture with the ones for Auro-3D, which can no longer be put in for the picture.
I also have graphs with 1/6 smoothing. With 1/1 I just followed the line to see...
My goal is to hear well above 30 Hz, because that's where the subwoofers are limited.
I'm still testing and looking for solutions for them, I'm just looking for DSP because otherwise I can't adjust all 6 SWs correctly. They're currently connected to a Marantz AV7704 and I don't have enough...
In a 7m x 6m attic room with two sloping walls I use 6 Klipsch R-series 12 inch subwoofers, along with Bi-Amp fronts. I still have some work to do on the settings, the latest measurements look like this and the speakers are these:
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