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Spldecendant
05-28-2012, 01:57 AM
What's the magic box size they like after displacement on about 4500w rms? I just got 2 solo x 18's the area in the back of my sub is 49w by 22.5h and 40d but I would need to be ported so I would say I can go like 37 deep and I'm going to be running a dc9k to 2 of them. I was thinking 7.5 cubic ft each but was unsure

Bettr n' Revrse
05-28-2012, 03:26 AM
8 or 9 cubes at least I think is what your going to need for them...

galacticmonkey
05-28-2012, 05:07 AM
They will never take that power on music. I have heard a ton of Solo Xs and know a bunch of people who own/have owned them and they do maybe 3k each daily TOPS. They just don't have the cooling.

Moble Enclosurs
05-28-2012, 11:52 AM
7.5 Is close enough. I figure for 7.145 cubes to control a 30Hz tuning and about 5.614 each for around a 35Hz tuning (port characteristics obviously a factor also-but will not be given). With a port area smaller than the effective surface area of the cones, you should get great output keeping them under or around 7.5 each as mentioned. :D

Spldecendant
05-28-2012, 01:19 PM
Yea I rethought how much power I wanna run probley like a dc 7.5k I have an ia40.1 right now for the brake in. Would 4 6inch aero ports facing the hatch be my best bet? Enough port area or 8inch areos

hispls
05-28-2012, 02:11 PM
They will never take that power on music. I have heard a ton of Solo Xs and know a bunch of people who own/have owned them and they do maybe 3k each daily TOPS. They just don't have the cooling.

I have also owned a couple. I would say 8 cube on the small side per woofer. When I used them they did well tuned @ 40hz, they really quaked in the 50-55hz range. They have about the same cone area as a pair of round 15's so think about what port/volume would be adequate for that.

I played one (never had room for more than 1, though I owned 3 at one point) on Sundown 3K and it held up to that well for music. On a pair of 3K's the got stinky very very quickly. Really if you are abusive with them I'm confident you could break them at 2500W each pretty easily.

galacticmonkey
05-28-2012, 02:33 PM
Yeah, they just cant take the power that other big subs can.

As for enclosure, go big and tune low. If I personally had one, Id go around 12 cubes and tune around 28hz.

Spldecendant
05-28-2012, 02:36 PM
I have also owned a couple. I would say 8 cube on the small side per woofer. When I used them they did well tuned @ 40hz, they really quaked in the 50-55hz range. They have about the same cone area as a pair of round 15's so think about what port/volume would be adequate for that.

I played one (never had room for more than 1, though I owned 3 at one point) on Sundown 3K and it held up to that well for music. On a pair of 3K's the got stinky very very quickly. Really if you are abusive with them I'm confident you could break them at 2500W each pretty easily. I have 2 18's of them and at max the cargo area in my escalade is 49 wide 22.5h and like 37 deep I wanted to tune to like 35hz

hispls
05-28-2012, 03:37 PM
I have 2 18's of them and at max the cargo area in my escalade is 49 wide 22.5h and like 37 deep I wanted to tune to like 35hz

Should be enough space to get by. Don't expect it to do wonders on a meter if you tune that low.

Spldecendant
05-28-2012, 04:08 PM
This is for daily use and what you think I should tune to I still wanna be able to play lows without having to worrie about blowing the sub.......u think I be safe to play the 2 on the dc 7.5k voltage is not gonna drop below 14.5 and everything is gonna be set with the smd dd-1

Moble Enclosurs
05-28-2012, 05:31 PM
If you use more of the port volume to control the response, you can cut down on compression volume and control the excursion more also, so you get a better balance between the power limitations and mechanical limitations if you are going daily. Just a thought. The volume will depend more on the entire design and limits. Not going against the others, just giving an option that will work well in your situation. :D