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<blockquote data-quote="MiniVanMan" data-source="post: 2792549" data-attributes="member: 573252"><p>That's not a bad idea, but not as easy as you think. For one, it would be considered a 3-way front stage. Not the easiest thing to implement and tune. 3-ways give you some flexibility in speaker location, but the crossover work can be brutal. For your case, you'd either have to build some passive crossovers, or not use the Memphis and get a very high priced crossover unit like the AudioControl DQXS. I still think you're better off using a 2-way. With the available equipment you have, it's the best thing.</p><p></p><p>The L15 should hit 80 hz. It's a toss up on how much impact it will have at 80 hz, but reaching that shouldn't be a problem. The AC130 has a lower Fs, but that doesn't always translate to better midbass oomph.</p><p></p><p>If you can get 90 hz out of any of the drivers, you should be good. Your sub will roll off at 80, and the midbass will roll off at 90, and you should get a pretty good blend between the two. It'll all depend on what you can get out of the midbass. Like I said, 90 hz shouldn't be a problem, 80 would be fantastic.</p><p></p><p>Unfortunately, there aren't really any "right" answers. There are just a bunch of variables that you try to take into account and plan for as best as possible. Let's recap though.</p><p></p><p>CA15RLY</p><p></p><p>Pros - Very easy to work with.</p><p></p><p>Natural roll off on top end makes it mateable to many different tweeters.</p><p></p><p>Very neutral tonally.</p><p></p><p>Cons - Very neutral tonally. (Yes, it's both a pro and con, depending on taste.)</p><p></p><p>Will have very good midbass, but can be a little bloated when driven hard.</p><p></p><p>L15RLY</p><p></p><p>Pros - Detailed midrange</p><p></p><p>Snappier midbass than CA15 for a more controlled sound.</p><p></p><p>Lower Fs might allow for a tad bit lower high pass in the midbass region.</p><p></p><p>Cons - Brutal cone breakup at 8k makes driver only useable to possible upper 2k range.</p><p></p><p>Will require stout tweeter to mate with.</p><p></p><p>AC130MKII</p><p></p><p>Pros - Lowest Fs of the three.</p><p></p><p>Kevlar cone should give it neutral, but more detailed sound than CA15</p><p></p><p>High sensitivity</p><p></p><p>Cons - Don't know much about driver other than what Zaph says about it's brother the AC130F1.</p><p></p><p>As for tweeters, the one in the link above looks to be useable from about 4k up. Seeing some response graphs it looks a bit ragged below that probably resulting in some harshness. The CA15 could handle that, but you'd lose some off-axis response due to the high cutoff point. People rave about the Dayton ND20, and now this Aura tweet, but they have to be implemented correctly to get the most from them. They offer great sound quality at a great price, but their usability isn't that good. You'd still be better off with the CA15/LPG combo than the CA15/Aura.</p><p></p><p>If you're worried about tweeter off-axis response, then the CA15/LPG combo should be what you're looking at. I'm not horribly concerned with the HD talked about for the AC130 as it will most likely be inaudible in car. So, with that, I'd venture to say the AC130/LPG combo would probably work as well.</p></blockquote><p></p>
[QUOTE="MiniVanMan, post: 2792549, member: 573252"] That's not a bad idea, but not as easy as you think. For one, it would be considered a 3-way front stage. Not the easiest thing to implement and tune. 3-ways give you some flexibility in speaker location, but the crossover work can be brutal. For your case, you'd either have to build some passive crossovers, or not use the Memphis and get a very high priced crossover unit like the AudioControl DQXS. I still think you're better off using a 2-way. With the available equipment you have, it's the best thing. The L15 should hit 80 hz. It's a toss up on how much impact it will have at 80 hz, but reaching that shouldn't be a problem. The AC130 has a lower Fs, but that doesn't always translate to better midbass oomph. If you can get 90 hz out of any of the drivers, you should be good. Your sub will roll off at 80, and the midbass will roll off at 90, and you should get a pretty good blend between the two. It'll all depend on what you can get out of the midbass. Like I said, 90 hz shouldn't be a problem, 80 would be fantastic. Unfortunately, there aren't really any "right" answers. There are just a bunch of variables that you try to take into account and plan for as best as possible. Let's recap though. CA15RLY Pros - Very easy to work with. Natural roll off on top end makes it mateable to many different tweeters. Very neutral tonally. Cons - Very neutral tonally. (Yes, it's both a pro and con, depending on taste.) Will have very good midbass, but can be a little bloated when driven hard. L15RLY Pros - Detailed midrange Snappier midbass than CA15 for a more controlled sound. Lower Fs might allow for a tad bit lower high pass in the midbass region. Cons - Brutal cone breakup at 8k makes driver only useable to possible upper 2k range. Will require stout tweeter to mate with. AC130MKII Pros - Lowest Fs of the three. Kevlar cone should give it neutral, but more detailed sound than CA15 High sensitivity Cons - Don't know much about driver other than what Zaph says about it's brother the AC130F1. As for tweeters, the one in the link above looks to be useable from about 4k up. Seeing some response graphs it looks a bit ragged below that probably resulting in some harshness. The CA15 could handle that, but you'd lose some off-axis response due to the high cutoff point. People rave about the Dayton ND20, and now this Aura tweet, but they have to be implemented correctly to get the most from them. They offer great sound quality at a great price, but their usability isn't that good. You'd still be better off with the CA15/LPG combo than the CA15/Aura. If you're worried about tweeter off-axis response, then the CA15/LPG combo should be what you're looking at. I'm not horribly concerned with the HD talked about for the AC130 as it will most likely be inaudible in car. So, with that, I'd venture to say the AC130/LPG combo would probably work as well. [/QUOTE]
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