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<blockquote data-quote="headless" data-source="post: 6169203" data-attributes="member: 566363">Midbass response is not going to change all that much going from 80/18 to 63/24...at that point you&#039;re getting into the bass level.I found that with a shitty ported sub setup, my system sounded better at 63/24 for LP and HP...because the ported setup was pretty worthless above 50hz anyway.&nbsp; But with a nice pair of sealed vanadiums getting 450-500w each, it sounds nicer to let them play a bit higher and let the fronts run at 80/18 for LP and HP.&nbsp; It really depends a lot on your deadening/sealing on the doors too, when you get to that kind of frequency.&nbsp; Most doors are not stiffened enough to handle 50hz at high volume from front speakers.&nbsp; need a lot of mass loading and stiffening and deadening to really pull it off.&nbsp; it also depends on how loud you like to listen... the ID OEM&#039;s are decent mids, but i don&#039;t know that they won&#039;t hit Xmax pretty quick at 63/24 if you are volume hungry.&nbsp; I know the much deeper power line CS mids that I run can certainly hit maximum excursion if i try and run 63/24 at high volumes - which is one more reason why I prefer 80/18.&nbsp; They just don&#039;t stress as much.&nbsp; I recommend using your ears and playing with the different options; it really varies by equipment and installation immensely, as well as personal taste.&nbsp; When I had no sub in my car, i ran my power line cs at full range and they did just fine, though obviously not as loud as a pair of 12&#039;s //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif.&nbsp; I just was a bit more careful with the volume and paid visual attention to the amount of throw they were getting.&nbsp; I ended up running a 40hz/24db HP crossover on them just so they wouldn&#039;t try to produce super low sub bass.</blockquote>

[QUOTE="headless, post: 6169203, member: 566363"] Midbass response is not going to change all that much going from 80/18 to 63/24...at that point you're getting into the bass level. I found that with a shitty ported sub setup, my system sounded better at 63/24 for LP and HP...because the ported setup was pretty worthless above 50hz anyway. But with a nice pair of sealed vanadiums getting 450-500w each, it sounds nicer to let them play a bit higher and let the fronts run at 80/18 for LP and HP. It really depends a lot on your deadening/sealing on the doors too, when you get to that kind of frequency. Most doors are not stiffened enough to handle 50hz at high volume from front speakers. need a lot of mass loading and stiffening and deadening to really pull it off. it also depends on how loud you like to listen... the ID OEM's are decent mids, but i don't know that they won't hit Xmax pretty quick at 63/24 if you are volume hungry. I know the much deeper power line CS mids that I run can certainly hit maximum excursion if i try and run 63/24 at high volumes - which is one more reason why I prefer 80/18. They just don't stress as much. I recommend using your ears and playing with the different options; it really varies by equipment and installation immensely, as well as personal taste. When I had no sub in my car, i ran my power line cs at full range and they did just fine, though obviously not as loud as a pair of 12's [IMG]//content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif[/IMG]. I just was a bit more careful with the volume and paid visual attention to the amount of throw they were getting. I ended up running a 40hz/24db HP crossover on them just so they wouldn't try to produce super low sub bass. [/QUOTE]

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