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<blockquote data-quote="MiniVanMan" data-source="post: 3025171" data-attributes="member: 573252"><p>It's very hard to tune a system using single drivers, much less 2 drivers playing the same frequencies.</p><p></p><p>Even in home audio, multi-driver systems are pretty hard to design correctly as lobing, baffle step and other various problems exist. So to answer your question, you can either have loud, or you can have "very clear". Very clear will not exist as you will be running into problems with off-axis alignment and cancellations.</p><p></p><p>However, if you must, this is what I recommend. Two midbass drivers per side, mounted as close together as you can get them. The Peerless SLS would be a great choice as it has a truncated frame so you can pair them up even closer than your standard round frame.</p><p></p><p>Now the challenge. Each driver within the pair needs to have it's pathlength to your listening position as close to equal as humanly possible. This becomes even more challenging when I say that each driver in a pair needs to be on the same plane, and angle to your listening position. The closer you can get these variables the better it will sound.</p><p></p><p>If that is done right, output should be exceptional. So, that would necessitate a midrange driver with a pretty high sensitivity. Might I suggest a dome midrange. A dome might eliminate the Peerless SLS 7" driver from contention due to it's inability to really extend that high, so maybe two Adire Extremis', or AA Poly Mids (when they come out again). There are a ton of other options, and frankly, I'm not going to sweat driver choices on this.</p><p></p><p>So basically, if you want to do this, then install as I stated above, but be prepared for your midbass to be a bit muddied up. It might sound fantastic, or it might sound like crap. It's a crapshoot. Plan on using a dome midrange though, as you'll need the added sensitivity due to the dual 7" drivers.</p></blockquote><p></p>
[QUOTE="MiniVanMan, post: 3025171, member: 573252"] It's very hard to tune a system using single drivers, much less 2 drivers playing the same frequencies. Even in home audio, multi-driver systems are pretty hard to design correctly as lobing, baffle step and other various problems exist. So to answer your question, you can either have loud, or you can have "very clear". Very clear will not exist as you will be running into problems with off-axis alignment and cancellations. However, if you must, this is what I recommend. Two midbass drivers per side, mounted as close together as you can get them. The Peerless SLS would be a great choice as it has a truncated frame so you can pair them up even closer than your standard round frame. Now the challenge. Each driver within the pair needs to have it's pathlength to your listening position as close to equal as humanly possible. This becomes even more challenging when I say that each driver in a pair needs to be on the same plane, and angle to your listening position. The closer you can get these variables the better it will sound. If that is done right, output should be exceptional. So, that would necessitate a midrange driver with a pretty high sensitivity. Might I suggest a dome midrange. A dome might eliminate the Peerless SLS 7" driver from contention due to it's inability to really extend that high, so maybe two Adire Extremis', or AA Poly Mids (when they come out again). There are a ton of other options, and frankly, I'm not going to sweat driver choices on this. So basically, if you want to do this, then install as I stated above, but be prepared for your midbass to be a bit muddied up. It might sound fantastic, or it might sound like crap. It's a crapshoot. Plan on using a dome midrange though, as you'll need the added sensitivity due to the dual 7" drivers. [/QUOTE]
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