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getting my box for my 2 18 crossfire xs v2's next week what to tune it to???
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<blockquote data-quote="Moble Enclosurs" data-source="post: 7673399" data-attributes="member: 634917"><p>That sounds reasonable for sure. If 32-33hz is what you are possibly after, that is a good goal for gaining low end without losing musicality. Now, when I mentioned phase, that actually has a lot to do with the response more so than tuning in a conventional design because in a conventional design, usually, if the design is workable, the phase shift is drastic below tuning and once it reaches a certain degree, you lose output in that area and thereafter.</p><p></p><p>Have you ever noticed that in some designs, if you run a tone generator to it, that it gets louder around tuning, then drops drastically, and if you go low enough in frequency below tuning that the output seems to increase a bit? This is not from mechanical noise, this is audible and has everything to do with phase. It is a very important variable in frequency response of a design.</p><p></p><p>So, if everything is done right, it will be as smooth as possible and as close to the placement degree of the driver and port as possible and you will get a very usable low end even with the same tuning as another design which does not concentrate on phase response.</p><p></p><p>I just wanted to point that out there that it has a lot to do with how much low end you can receive more importantly than tuning.</p><p></p><p>Tuning works because normally at tuning, the phase is near zero, which is a good thing.</p><p></p><p>So, the point is not to concentrate so much on tuning rather than a better phase response with a higher tuning for a more musical output and authority in the low end, though tuning lower does help.....its mainly due to that variable of phase. So getting a custom design that concentrates on that as well is a very good idea. Even the area of baffle can change the phase coorellation of a design.</p><p></p><p>The point of this is to let you, and everyone else know that the reason tuning became so popular was due to that relationship. Very important to note when dealing with such a sensitive question of only a mere few herts difference.</p></blockquote><p></p>
[QUOTE="Moble Enclosurs, post: 7673399, member: 634917"] That sounds reasonable for sure. If 32-33hz is what you are possibly after, that is a good goal for gaining low end without losing musicality. Now, when I mentioned phase, that actually has a lot to do with the response more so than tuning in a conventional design because in a conventional design, usually, if the design is workable, the phase shift is drastic below tuning and once it reaches a certain degree, you lose output in that area and thereafter. Have you ever noticed that in some designs, if you run a tone generator to it, that it gets louder around tuning, then drops drastically, and if you go low enough in frequency below tuning that the output seems to increase a bit? This is not from mechanical noise, this is audible and has everything to do with phase. It is a very important variable in frequency response of a design. So, if everything is done right, it will be as smooth as possible and as close to the placement degree of the driver and port as possible and you will get a very usable low end even with the same tuning as another design which does not concentrate on phase response. I just wanted to point that out there that it has a lot to do with how much low end you can receive more importantly than tuning. Tuning works because normally at tuning, the phase is near zero, which is a good thing. So, the point is not to concentrate so much on tuning rather than a better phase response with a higher tuning for a more musical output and authority in the low end, though tuning lower does help.....its mainly due to that variable of phase. So getting a custom design that concentrates on that as well is a very good idea. Even the area of baffle can change the phase coorellation of a design. The point of this is to let you, and everyone else know that the reason tuning became so popular was due to that relationship. Very important to note when dealing with such a sensitive question of only a mere few herts difference. [/QUOTE]
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getting my box for my 2 18 crossfire xs v2's next week what to tune it to???
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