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In Reply to: RE: You can try the "crawl test" posted by peppy m. on March 11, 2021 at 17:07:29
Room modes is the complicated 2 word answer and room modes will emphasize certain bass frequencies while squashing other. The pub ...oops .. I mean sub crawl (pub crawl is a reward after a job well done!!) will get you bass at some frequencies and missing in others from that one listening spot only. It changes drastically when you move locations. That's the reason why sub crawls for.The graphs I'm posting is measurements I took to try and find the sweet spot for the widest range of bass frequencies possible across all 3 listener positions (left,center,and right) seating positions on a couch. I would move the sub to one location and run 3 frequency sweeps, one for each spot on the couch.
Edits: 03/12/21 03/12/21Follow Ups: