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<blockquote data-quote="kingsxman" data-source="post: 1592084" data-attributes="member: 563735">Good advice all.I should point out that my &quot;mid woofers&quot; are my 6x9&#039;s in the rear and my 5 1/4&#039;s in the front.&nbsp; So...not much for mid woofers....I ended up setting up my sub amp to run &quot;full range&quot; and did the xover at the deck.&nbsp; I found that with the 8445 I got better &quot;punch&quot; by crossing it over at 63 hz.&nbsp; I also found that I could retain the best &quot;note definition&quot; by keeping the slope relativly small.&nbsp; The more I made the slope (i.e. in the deck xover the more db&#039;s I made the cutoff) the more of a break there seemed to be in the xover but for some reason their just didnt seem to be as good of flow between the sub and the mid woofers.I played with the reverse phase and found that it did seem to make a difference..although very slight.&nbsp;&nbsp; I didnt play with the 24db slope setting on the amp yet. I did see that JL Audio recommends 12db if the subs are in a trunk and not firing directly into the cab. ...so thats what I did.Just havent been able to get the punch out of this system compared to my old system that was stolen. But I think the biggest thing might have been that my old system had a sealed enclosure built specifically for my JL&#039;s by Mr. Marv...who does great work.&nbsp; This setup was built for the speakers but seems to be physically bigger than Marvs box.&nbsp; The bass doesnt have the punch or definition of the Marv cabinet and is a bit boomy...</blockquote>

[QUOTE="kingsxman, post: 1592084, member: 563735"] Good advice all. I should point out that my "mid woofers" are my 6x9's in the rear and my 5 1/4's in the front. So...not much for mid woofers.... I ended up setting up my sub amp to run "full range" and did the xover at the deck. I found that with the 8445 I got better "punch" by crossing it over at 63 hz. I also found that I could retain the best "note definition" by keeping the slope relativly small. The more I made the slope (i.e. in the deck xover the more db's I made the cutoff) the more of a break there seemed to be in the xover but for some reason their just didnt seem to be as good of flow between the sub and the mid woofers. I played with the reverse phase and found that it did seem to make a difference..although very slight. I didnt play with the 24db slope setting on the amp yet. I did see that JL Audio recommends 12db if the subs are in a trunk and not firing directly into the cab. ...so thats what I did. Just havent been able to get the punch out of this system compared to my old system that was stolen. But I think the biggest thing might have been that my old system had a sealed enclosure built specifically for my JL's by Mr. Marv...who does great work. This setup was built for the speakers but seems to be physically bigger than Marvs box. The bass doesnt have the punch or definition of the Marv cabinet and is a bit boomy... [/QUOTE]

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