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<blockquote data-quote="Arthur Skudra" data-source="post: 117051" data-attributes="member: 131">Re: Phase align subs to mainsOne important factor that you forgot is that a loudspeaker itself acts as a bandpass filter, on top of whatever you send to it electronically from the DSP.&nbsp; So while you think all that you need to know is what is happening electronically from the output of the crossover to figure out mathematically what the frequency is where the two intersect, there is more to it than that.&nbsp; Apart from using a very high end speaker modeling software package, the ONLY other way to find this frequency is through the use of an analyzer.&nbsp; That is the ONLY way in which you can actually see the accumulated effects on both passbands, and see exactly where the *acoustic* transition is between the two.&nbsp; Remember that systems interact most where they are equal in level.&nbsp; It is at this frequency that you want the two parts of the system to be aligned.</blockquote>

[QUOTE="Arthur Skudra, post: 117051, member: 131"] Re: Phase align subs to mains One important factor that you forgot is that a loudspeaker itself acts as a bandpass filter, on top of whatever you send to it electronically from the DSP. So while you think all that you need to know is what is happening electronically from the output of the crossover to figure out mathematically what the frequency is where the two intersect, there is more to it than that. Apart from using a very high end speaker modeling software package, the ONLY other way to find this frequency is through the use of an analyzer. That is the ONLY way in which you can actually see the accumulated effects on both passbands, and see exactly where the *acoustic* transition is between the two. Remember that systems interact most where they are equal in level. It is at this frequency that you want the two parts of the system to be aligned. [/QUOTE]

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