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<blockquote data-quote="TaylorFade" data-source="post: 8404597" data-attributes="member: 618111">Passives are usually just a &quot;split&quot;. So if it says, 4.3khz, then both drivers are crossed there. The way most are designed is both drivers are -6dB down at the crossover point so that you don&#039;t have a peak at the crossover (Linkwitz-Riley or &quot;LR&quot;). As opposed to a Butterworth alignment where they sum at the crossover.<a href="http://s848.photobucket.com/user/taylorfade/media/Randomness/butterworth_zpsxg2drrx6.png.html" target="_blank"><img src="http://i848.photobucket.com/albums/ab45/taylorfade/Randomness/butterworth_zpsxg2drrx6.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a>Passives, the large majority of the time, are 2nd order filters (-12dB). It would need to be a large and expensive passive to be -24dB. I have a very large and expensive one that is -18dB.How do you know you&#039;re beaming? Are you losing information?</blockquote>

[QUOTE="TaylorFade, post: 8404597, member: 618111"] Passives are usually just a "split". So if it says, 4.3khz, then both drivers are crossed there. The way most are designed is both drivers are -6dB down at the crossover point so that you don't have a peak at the crossover (Linkwitz-Riley or "LR"). As opposed to a Butterworth alignment where they sum at the crossover. [URL="http://s848.photobucket.com/user/taylorfade/media/Randomness/butterworth_zpsxg2drrx6.png.html"][IMG]http://i848.photobucket.com/albums/ab45/taylorfade/Randomness/butterworth_zpsxg2drrx6.png[/IMG][/URL] Passives, the large majority of the time, are 2nd order filters (-12dB). It would need to be a large and expensive passive to be -24dB. I have a very large and expensive one that is -18dB. How do you know you're beaming? Are you losing information? [/QUOTE]

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