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  1. Wayne A. Pflughaupt

    Troble running bass test tones. Need help equalizing.

    Hi Ruslan, It’s looking pretty good on paper, and I’ll bet it sounds better, too. You didn’t say specifically but I’m presuming that the “mains on” graph is with the sub out of phase? Both graphs look pretty good, actually. The sharp rise above 100Hz with the mains on may be nothing...
  2. Wayne A. Pflughaupt

    Troble running bass test tones. Need help equalizing.

    Ruslan, Sorry to leave you hanging; it’s been one of those weeks. The peak centered on 30Hz has changed, so we’ll have to change our approach, too. Since the center of it is now a dip, not a peak, it will take at least three filters to address it, not the single one I recommended before...
  3. Wayne A. Pflughaupt

    Troble running bass test tones. Need help equalizing.

    You mentioned earlier that you were doing this with the speakers off. If you had them on this time, that would account for the changes. When the mains and sub are on, that’s when the phase issues come to light. Readings with both running is what you will want to use for equalizing. Regards...
  4. Wayne A. Pflughaupt

    Troble running bass test tones. Need help equalizing.

    Which approach is easiest depends on the initial readings. Since all rooms are different, some response curves naturally lend themselves to first being flattened. Others, the necessary equalization, once applied, ends up with something resembling a house curve. In your situation you will need...
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