paulgroce
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Posts posted by paulgroce
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lol sooo......
back over here haha
Okay.... so as long as I correctly tune the amp then everything will be good?
I am asking about this setup because I plan on eventually adding more amps but for now this will have to do.
I am running a momphis mojo (rated for 1750 watts rms) on about 1k rms right now for about a month, and I haven't had a problem. Just make sure you set your gains correctly and check from time to time after you have been playing them at high volume to make sure the cone isn't too hot, if it is then your gains are probably not set correctly, or your electrical can't keep up and is causing clipping...
Okay awesome! Thanks a lot thats perfect info
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yes you will be fine, I've ran my subs off head unit power before. The only thing you will have a problem with is it won't break in nearly as fast so it will take longer to play low as it is designed to do.
Okay cool I can do with the whole patience
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lol sooo......
back over here haha
Okay.... so as long as I correctly tune the amp then everything will be good?
I am asking about this setup because I plan on eventually adding more amps but for now this will have to do.
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Okay so as long as I set the gains correctly then this setup will totally work?
as long as you set them CORRECTLY, yes.
every time you turn the volume down, the amp puts out less power. with every note in a song, power changes. and due to those factors and others, i wont confuse you with, your subs will likely only see 500w each, at most.
what amp and subs are you getting? make sure the subs are dual 4ohm or dual 1ohm.
The amp is a Massive Audio N4 2000watts at 1 ohm
The subs are 2 dc xl's
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Unless you clip the hell out of them you will be fine
Ight well I dont completely understand how to make sure to prevent clipping? What is it and what I do?
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Okay so as long as I set the gains correctly then this setup will totally work?
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Is it okay to underpower subwoofers?
It wont damage the speakers but what about the amp?
The ohm load is compatible but the amp will only push out 2000 watts rms at one ohm and the speakers are 2 15's that need 1500rms each. Is this okay to run these? can someone explain amplifier clipping to me?
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I tried calling up the number on DC's website which I guess is "thorshammer"s number? And I keep getting no answer so I am sure he is busy as a mo-fo. Is there any dealers that can help me out? I live in Bartow, FL 33830. Also got some questions before I start buying lol. I plan on buying them friday (8/5)
-Paul Groce
Never mind I am getting help from jeff. Thanks dude!
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I tried calling up the number on DC's website which I guess is "thorshammer"s number? And I keep getting no answer so I am sure he is busy as a mo-fo. Is there any dealers that can help me out? I live in Bartow, FL 33830. Also got some questions before I start buying lol. I plan on buying them friday (8/5)
-Paul Groce
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I would get the level 5 coil regardless.
Just my opinion.
Even if I am only powering just 1000 watts per sub?
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yep that's it.
Okay cool thank you
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Exactly upgraded spiders and coil good for about another 500 rms. But at that point why not get an xl a stock xl isn't to much more then an upgraded level 4.
Ight so purty much if I wanted to keep the rms at the basic stock 1000 watts rms then the only things worth upgrading would be the carbon fiber dustcap and direct leads.
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Carbon fiber cap, direct leads, lvl 5 upgrades
Lvl 5 upgrades consist of what?
like VC and spider?
And if I get the lvl 5 upgrades what will that effect? RMS?
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Are there any worth-while upgrades or options to add when buying these speakers?
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If you do everything correctly you will be very happy.
Okay awesome thanks a whole bunch! This friday imma call them up and make the order
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Its what DC recommends and what I have had the best luck with as far as sounding good.
Oh okay lol so 6.5 net cubes tuned to 34 hertz and that will make some chest poundin bass right?
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Actually would build to 6.5 to 7 cubes net for a pair of level 4 15's. Then calculate our port area accordingly.
Why would you put them in a smaller box? For SQ?
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Okay cool so the DC lvl 4 15's and a net 9 cubic foot box tuned to 34 hz. Also I have read that the direction the port or the subs are facing can effect the bass?
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So if I got the 15's then i could optimize the box more and it would probly sound better since they have the amount of room they would need?
Yep. Subs in the right size box will preform better than subs in a box thats to small or to big. 9 cubes net for 2 18's is to small.
Okay cool so 2 15's in a 9 cube box tuned to like 35? I want to make sure I have everything perfect before I buy them lol sorry. Whats the difference between tuning higher and lower? I want something to pound me in the chest and then some.
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Okay cool and last question you don't think I could fit two 18's in there? They each would be getting about 4-5 cubic feet including the port? I was thinking I could fit them cuz the cutout diameter for the subs was only like 16 inches. What should I tune the box to?
I wouldnt recommend going below 5 cubes net per 18" sub. I did a quick look at the size available you posted and your around 9 cubes net after port.and sub displacement. Thats single baffled box with a 36hz tune. If you want to tune lower your going to have even less space. You cant include the port area in the available space. The space you need is the net volume. The area you have left after accounting for the port displacement, sub displacement and and any displacements for bracing, 45's or extra baffles.
You could tune anywhere around 34hz and have a pretty good daily box.
So if I got the 15's then i could optimize the box more and it would probly sound better since they have the amount of room they would need?
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Why wouldnt you put any upgrades on th dc lvl 4's? I don't know very much about voice coils and spiders and such but wouldnt it be good to upgrade those or atleast get direct leads? lol sorry that I dont know much about what I am talking about.
For what your doing and the amount of power your running a stock Level 4 would be just fine. They sound awesome without and changes. Direct leads is more of a personal preference. Not necessary at all.
Okay cool and last question you don't think I could fit two 18's in there? They each would be getting about 4-5 cubic feet including the port? I was thinking I could fit them cuz the cutout diameter for the subs was only like 16 inches. What should I tune the box to?
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If that size for your box is as big as you can go then I would stick with 15's whether from TC or DC. Personally I wouldn't make any upgrades to the DC level 4's either. They are awesome subs right out of the box. Ascendant Audio Havoc's would be a good choice as well. If you going for a better sounding daily setup keep you port area around 12sq in per net cube. And your box volume around 8 cubic feet net for a pair of 15's.
That N4 would be the perfect amount of power for 2 Level 4's.
Why wouldnt you put any upgrades on th dc lvl 4's? I don't know very much about voice coils and spiders and such but wouldnt it be good to upgrade those or atleast get direct leads? lol sorry that I dont know much about what I am talking about.
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Alright I have been looking into getting a car audio system for awhile and its come down to the point where I am just picking which subwoofer would be best for my setup.
Vehicle: 2002 mercury mountaineer
Alternator: 250 amp excessive amperage
Big 3 upgrade
Battery in the back: KHC2000
Max box dimensions: 44width x 23height x 23 depth
Amplifier: Massive audio N4
Wires: all power and ground wires are 0 gauge
Goals: Chest pounding bass when I want to impress and tight accurate sound quality when I want to really hear every beat.
My original goal was to create a spl setup but now I realize imma want a lot of SQ also.
Any experienced audiophiles out there that can share some experience with either subwoofer and help me choose the best setup? I have talked to Thilo from TC sounds and he says that 2 15" axis can be wired down to 1 ohm so thats not a worry.
But I do want 2 of either one I am getting so if its dc then imma get 2 18" dc lvl 4's with some upgrades, and if I get the TC sounds then imma get 2 15" Axis.
Anyone help me out?
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2 level 4s will be just fine on your amp. If you want you can add the level 5 upgrade which I would recommend doing. I would only go with the xl if you are planning on putting 2k per sub not split between a pair.
Shoot me a pm if you have any questions.
Ight I think imma go with the 2 level 4s in that case atleast for now. Thanks!
PSI Audio 18" Subwoofer
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