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I am new to REW and found that i had a 15db null at 40Hz and 71db at 70Hz. I have dual subs in the left and right corner of a dedicated home theater about 19 feet long and 15 ft wide although it is not totally symmetrical.. I think it is a room mode at 40Hz as eqing has no impact. Anyway, I read somewhere that changing the distance of one of the subs could help. I did this and have the left sub at 12 feet and the right one at 6 feet. That flattened out those two nodes pretty good but added one at 100Hz that i assume is much less relevant as the sub should be rolled off at that point.


Is there some reason that i shouldn't do this distance workaround?

Unfortunately, being new to REW, I hit the wrong button and lost all my pre eq graphs.

Thx
 

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My advice would be to get the best room responce with speaker placement. Then depending on your results, add treatments and, last eq, realizing that nulls don't respond well to eq. Don't forget that orienting your sub includes a 360 degree footprint (spin that baby & remeasure).
 
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