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post #1 of 49 Old 03-09-2012, 06:03 PM - Thread Starter
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whats the best enclosure for these subs? i was pretty set on going with a bass horn but... there's something about a front firing sub that really has sparked a great interest again. those subs are beautiful and very intimidating. i hope two of these firing from the front will be enough bass. i know i need atleast 2000 watts for each sub. im looking to use these for ht and music. i still plan on build a bass horn just for kicks
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post #2 of 49 Old 03-09-2012, 07:34 PM
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there is no "best" enclosure.

9 cubic feet tuned to 15hz works okay.

4 cubic feet sealed works okay.

it just depends on what you want.
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post #3 of 49 Old 03-09-2012, 10:54 PM
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Using a pair of these in 4cuft enclosures.
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post #4 of 49 Old 03-09-2012, 11:59 PM
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I don't think the LMS driver works that well in a ported sub. Mainly due the limited amount of power you can throw at it. Port speed becomes an issue and limited port area in a 9 cu ft box. In that size box I would tune to around 18hz personally. They love sealed.
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post #5 of 49 Old 03-10-2012, 12:15 AM - Thread Starter
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Originally Posted by edoggrc51 View Post

Using a pair of these in 4cuft enclosures.


awesome... you give me a little info on your experience with these subs? what kind of bracing and power supply
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post #6 of 49 Old 03-10-2012, 01:01 AM
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I use a little larger sealed box 22 X 22 X 26 about 6.8 cuft. 3/4 inch MDF single layer all around. Much bracing. The larger box lets the LMS get to 10Hz easier with less power. The LMS needs equalization to boost the lower end and then needs LOTS of power.
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post #7 of 49 Old 03-10-2012, 01:07 AM - Thread Starter
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Quote:
Originally Posted by LINEARX View Post

I use a little larger sealed box 22 X 22 X 26 about 6.8 cuft. 3/4 inch MDF single layer all around. Much bracing. The larger box lets the LMS get to 10Hz easier with less power. The LMS needs equalization to boost the lower end and then needs LOTS of power.


sooo... are you just using 1 lms in your set-up? as far as spl goes... do you think 2 lms subs sealeed in their own enclosure paired up with some unity dual 15" monitors will be plenty for ht and music? i know the subs are super clean. i just dont want to spend almost 2k for 2 drivers and end up having to buy 2 more because their not loud enough
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post #8 of 49 Old 03-10-2012, 11:48 AM
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I think a lot of owners including myself would say that 2kw will work with the LMS Ultra, but more power is needed for optimal operation/output.
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post #9 of 49 Old 03-10-2012, 11:59 AM - Thread Starter
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I think a lot of owners including myself would say that 2kw will work with the LMS Ultra, but more power is needed for optimal operation/output.


what kind of power are we talking? like 14,000 watts kind of power?
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post #10 of 49 Old 03-10-2012, 12:17 PM
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The clone 14k puts out around 4400w x 2 into 4 ohms. I was running a single Behringer EPX4000 on each of my LMS's. Gains were maxed out and it was not enough. There are others that have stated the same. The output stage on one of the amps went out and that is when I purchased the clone. If I would have just purchased the clone in the in the first place I would have spent $300 more but saved the $700 I spent on the Behringers. You know what is said, hindsight................

My room is around 2000cf and is open to the rest of the house. My plan is to add two more of these as endtables this year.
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post #11 of 49 Old 03-10-2012, 01:06 PM - Thread Starter
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Quote:
Originally Posted by RDKing2 View Post

The clone 14k puts out around 4400w x 2 into 4 ohms. I was running a single Behringer EPX4000 on each of my LMS's. Gains were maxed out and it was not enough. There are others that have stated the same. The output stage on one of the amps went out and that is when I purchased the clone. If I would have just purchased the clone in the in the first place I would have spent $300 more but saved the $700 I spent on the Behringers. You know what is said, hindsight................

My room is around 2000cf and is open to the rest of the house. My plan is to add two more of these as endtables this year.


wow!!! 4000 watts with the gains maxed out and it still wasnt enough!?!?

what about a 14k clone bridged on each sub. 28,000 watts for just two 18" subs!!! think that will be enough? lol
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post #12 of 49 Old 03-10-2012, 01:27 PM
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Quote:
Originally Posted by speckled hen View Post

wow!!! 4000 watts with the gains maxed out and it still wasnt enough!?!?

what about a 14k clone bridged on each sub. 28,000 watts for just two 18" subs!!! think that will be enough? lol

http://www.avsforum.com/avs-vb/showt...7#post10755537
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post #13 of 49 Old 03-10-2012, 04:14 PM - Thread Starter
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that did nothing for me... that page they were trying to test a 1200 watt @ 8ohm amp
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post #14 of 49 Old 03-10-2012, 04:40 PM
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read my post. I run one FP14000 for two subs in a 9 cuft enclosure. It can easily max them out.
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post #15 of 49 Old 03-10-2012, 05:25 PM
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Quote:
Originally Posted by speckled hen View Post

that did nothing for me... that page they were trying to test a 1200 watt @ 8ohm amp

1) ep2500 is literally the exact same thing as an ep4000. behringer just renamed it
2) it does 2000 watts PEAK at 4ohms bridged at 1000hz, at 20hz it probably does closer to 1500 watts PEAK, and when you get to 10hz (easy for LMS ultra) its probably much lower. Amps struggle to make power at lower frequencies, and thats where the LG clone amps shine, theyre making well over 2000 clean watts at 20hz.
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post #16 of 49 Old 03-10-2012, 06:31 PM
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Quote:
Originally Posted by speckled hen View Post

awesome... you give me a little info on your experience with these subs? what kind of bracing and power supply

Here ya go!

http://www.avsforum.com/avs-vb/showthread.php?t=1391395
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post #17 of 49 Old 03-10-2012, 08:19 PM - Thread Starter
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from what ive read thus far... these subs are very clean and can take goobs of power. however, i dont think 2 sealed will cut it matched up with some unity's. it would take a minimum of 4 of these drivers to match what im going for. kinda disappointed bcause their soo freaking expensive. maybe if i ran them ported i might get a little more output
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post #18 of 49 Old 03-10-2012, 08:24 PM
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^^^^^

How big a room do you have?? And exactly what kind of output are you looking for?
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post #19 of 49 Old 03-10-2012, 08:28 PM - Thread Starter
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Quote:
Originally Posted by edoggrc51 View Post

^^^^^

How big a room do you have?? And exactly what kind of output are you looking for?

12 ft ceiling... like around 20(W) X 30(L)


im not looking for blistering high spl but i want to feel double kick-drum pound me in the chest.
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post #20 of 49 Old 03-10-2012, 08:33 PM
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Two of them can put out enough power to make you uncomfortable if pushed. My room is like 25x25 and open to a total of about 10,000 cubic feet.

If you're going to go this route, build two. If you need more, add more.

However, if you're more about music, you may find something like the TC Sounds 5100 pro or a B&C 21SW152 more to your liking. Even some of the 18 sounds drivers would be good. Pro drivers are fantastic unless you want super low extension.
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post #21 of 49 Old 03-10-2012, 08:35 PM
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My room is about 3700cuft and is open to another room just as big, not to mention the staircase thats there too. From my listening spot the LMS's can and do kick ya in the chest. I am planning on adding another pair this summer, but not because I need them but because I want them. Headroom is golden.
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post #22 of 49 Old 03-10-2012, 08:40 PM - Thread Starter
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Originally Posted by notnyt View Post

Two of them can put out enough power to make you uncomfortable if pushed. My room is like 25x25 and open to a total of about 10,000 cubic feet.

If you're going to go this route, build two. If you need more, add more.

However, if you're more about music, you may find something like the TC Sounds 5100 pro or a B&C 21SW152 more to your liking. Even some of the 18 sounds drivers would be good. Pro drivers are fantastic unless you want super low extension.


maybe i should use the lms drivers for ht... the some B & C 21"s for music. i wanna experience the bass nirvana from these drivers soo bad. my quest for bass perfection must be met. i want the lms drivers and you make me sick to death with your 8 beating the foundation down. your a lucky man
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post #23 of 49 Old 03-10-2012, 08:43 PM
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The LMS drivers are super low for distortion and very linear. If not enough spl, you can always add more. The 18sounds, B&C or 5100 pro in a ported enclosure would give you gobs of spl, but lack the extension. I didn't want to have different types of subs in my system with extra crossovers and possible phase issues, so I just decided to use a lot of subs. Best of both worlds.
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post #24 of 49 Old 03-10-2012, 08:47 PM - Thread Starter
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The LMS drivers are super low for distortion and very linear. If not enough spl, you can always add more. The 18sounds, B&C or 5100 pro in a ported enclosure would give you gobs of spl, but lack the extension. I didn't want to have different types of subs in my system with extra crossovers and possible phase issues, so I just decided to use a lot of subs. Best of both worlds.


alright... im headed to the bluff in downtown atlanta next week and im gonna load up and rob me some big pen heroin dope dealers. tomorrow im gonna rent me a black van, round up my fellow marines and were gonna put these dope dealers out of business. im getting these subs... one way or another!!!
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post #25 of 49 Old 03-10-2012, 08:57 PM
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Well since its drug money pick me up a pair while you're at it.
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post #26 of 49 Old 03-10-2012, 09:08 PM - Thread Starter
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Well since its drug money pick me up a pair while you're at it.


this drug infested slum hole in atlanta reeks of the purest form of evil. the slime dwell there. these degenerates think their invisible. im sorry to bust their bubble, but... 6 highly trained ex marine special forces men, armed to the teeth... could easily storm and raid any of these ghetto super stars dope trap house. i think we would be doing a great charity for society. we will jam their radio signals for their "look out's", hook chains up to their heavily reinforced steel doors.... yank them out with the ford ecoline black van, raid 4 houses in less than 30 minutes. shock and awe... tear them them a new @sshole and before you know it... i will have "our lms's"!!!!
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post #27 of 49 Old 03-10-2012, 11:24 PM
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just send in the drones.

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post #28 of 49 Old 03-12-2012, 10:04 AM
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I know what you want, I listen to a lot of metal too, you wont get it with two. If you do, then that means there is something even more wrong with my setup. haha

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post #29 of 49 Old 03-12-2012, 02:51 PM - Thread Starter
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I know what you want, I listen to a lot of metal too, you wont get it with two. If you do, then that means there is something even more wrong with my setup. haha

alright, im listening. 4 ftw-21s ported in a 30 cubic ft. slot port enclosure? joking... really, what do you have in mind?
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post #30 of 49 Old 03-12-2012, 05:51 PM
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4 gjhaller (too lazy to look up spelling/drunk in a booth at the oilers game!!) horns with those big b&c's with a clone to drive em. if that's not loud enough you got issues. If you want deeper get 8 ftw 21s or 8 xxx 18s and gut them in something giant/ib and eq them flat to 4hz with a minidsp and use a clone or get bosso to help setup an analog eq/LT to get you there.

Seriously though why not try some smaller builds and see what appeals to you then add multiples.

Right you are still pissin in the breeze. Do you even know what you want in terms I extension and decibel level? And seriously how much space are you going to commit?

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