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<blockquote data-quote="John Neil" data-source="post: 43073" data-attributes="member: 422">Re: Crossover vs EQ: Help me understand.Bennett,Not to beat a dead horse, but I assumed you menat that I was getting fussy over nothing.&nbsp; Took a few weeks but finally had chance to do some acoustic housekeeping.&nbsp; Took a quick shot in the interest of investigating your point.&nbsp; Two traces of subs measured from FOH position.&nbsp; One with death above 100 on a PM5d graphic inserted on subs.[ATTACH]150162[/ATTACH]Turns out &quot;death above 100&quot; shows up as a difference of right about 180 degrees across my crossover region.&nbsp; Fortunately, a quick polarity reversal undoes most of the damage even if not ideal.I was able to get the mains/subs aligned for the better part of an octave each side of crossover over 2/3 of the audience.&nbsp; That&#039;ll be nice for the club of BEs that prefer to move crossover around in order to get steely dan sounding right.On a related note, anybody know if BSS has made all-pass filters available in London units?&nbsp; Six different types of speaker across eight zones...</blockquote>

[QUOTE="John Neil, post: 43073, member: 422"] Re: Crossover vs EQ: Help me understand. Bennett, Not to beat a dead horse, but I assumed you menat that I was getting fussy over nothing. Took a few weeks but finally had chance to do some acoustic housekeeping. Took a quick shot in the interest of investigating your point. Two traces of subs measured from FOH position. One with death above 100 on a PM5d graphic inserted on subs. [ATTACH=CONFIG]150162.vB5-legacyid=2792[/ATTACH] Turns out "death above 100" shows up as a difference of right about 180 degrees across my crossover region. Fortunately, a quick polarity reversal undoes most of the damage even if not ideal. I was able to get the mains/subs aligned for the better part of an octave each side of crossover over 2/3 of the audience. That'll be nice for the club of BEs that prefer to move crossover around in order to get steely dan sounding right. On a related note, anybody know if BSS has made all-pass filters available in London units? Six different types of speaker across eight zones... [/QUOTE]

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