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<blockquote data-quote="helotaxi" data-source="post: 2528505" data-attributes="member: 550915">I wrote a good bit on this a while back, a search would probably locate it.As for running multiple mids, it can be done a few different ways.&nbsp; Active is probably the easiest.&nbsp; Custom designed passives are another way to go about it.&nbsp; Back in the late 80&#039;s/early 90&#039;s it was fairly common for SQ comp vehicles to run huge numbers of drivers on a single 2 channel amp.&nbsp; Huge and hugely complex passive networks were needed to get this to work right and sound good.Squeak minor point on your post about the effects of using the wrong impedance driver on a passive.&nbsp; Your answer was correct for a 1st order filter but higher orders behave really strangely with the wrong load on them.&nbsp; One half of the filter shifts one way and the other half shifts the other.&nbsp; The result is a stepped filter and a probably shitty response curve.</blockquote>

[QUOTE="helotaxi, post: 2528505, member: 550915"] I wrote a good bit on this a while back, a search would probably locate it. As for running multiple mids, it can be done a few different ways. Active is probably the easiest. Custom designed passives are another way to go about it. Back in the late 80's/early 90's it was fairly common for SQ comp vehicles to run huge numbers of drivers on a single 2 channel amp. Huge and hugely complex passive networks were needed to get this to work right and sound good. Squeak minor point on your post about the effects of using the wrong impedance driver on a passive. Your answer was correct for a 1st order filter but higher orders behave really strangely with the wrong load on them. One half of the filter shifts one way and the other half shifts the other. The result is a stepped filter and a probably shitty response curve. [/QUOTE]

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