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Old 07-18-2013, 08:45 PM
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Anyone ever try an MTX Jackhammer?


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Old 07-18-2013, 08:47 PM
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If you had to, based on your experience, List the top 5 quality/perfprmance drivers currently available on the market.

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Old 07-18-2013, 09:35 PM
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Quote:
Originally Posted by jlpowell84 View Post

If you had to, based on your experience, List the top 5 quality/perfprmance drivers currently available on the market.

That's open to too much speculation. With the exception of a handful on here, most people have never had more than 1 or 2 premium subs available at one time; let alone 5. If you've only owned one or two; how do you know they would be considered a top 5 driver?

Quality and performance aren't necessarily synonymous with each other. I've owned some quality drivers that I wouldn't consider stellar performers; and I've owned some that performed, but weren't high on quality.

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Old 07-18-2013, 09:42 PM
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Well based on specs and some measurements I would say
RE XXX
LMS 5400
FTW-21
UXL-18

So far but there are many drivers that can have the same type of performance in multiples. These are if you need one or two subs.

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Old 07-19-2013, 05:17 AM
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Originally Posted by jlpowell84 View Post

Anyone ever try an MTX Jackhammer?


All hype.

I bet this would out perform a Jackhammer.

http://youtu.be/49mpKRrE_7Q

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Old 07-19-2013, 08:10 AM
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I've read the RE xxx xmax is overrated.

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Old 07-19-2013, 08:11 AM
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Originally Posted by MKtheater View Post

Well based on specs and some measurements I would say
RE XXX
LMS 5400
FTW-21
UXL-18

So far but there are many drivers that can have the same type of performance in multiples. These are if you need one or two subs.

Where would you say the Captivator/OS driver fits in there?

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Old 07-19-2013, 08:15 AM
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A dual config that looks like a cap s2 except the RE XXX drivers would be beastly. Prob cost not much short of them either

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Old 07-19-2013, 08:26 AM
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Just a guess until they get tested. Based on specs it would be below the rest because it has less displacement than the rest. The RE XXX was tested in a box much too small for it and still did excellent. It would be much better in a bigger box.

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Old 07-19-2013, 09:02 AM
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Quote:
Originally Posted by MKtheater View Post

Just a guess until they get tested. Based on specs it would be below the rest because it has less displacement than the rest. The RE XXX was tested in a box much too small for it and still did excellent. It would be much better in a bigger box.

Just guessing on a whim...what do you think 2 of these bad boys in a rightfully sized box would do? 8ft for 2 according to RE's site.

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Old 07-19-2013, 09:20 AM
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Originally Posted by jlpowell84 View Post

A dual config that looks like a cap s2 except the RE XXX drivers would be beastly. Prob cost not much short of them either

No way the XXX could fit in a box remotely close to the same size as the Cap S2. I want to say the basket/magnet depth is like +13" deep.

Do it...
http://www.avsforum.com/t/1448650/fs-pair-of-re-xxx18s-final-price-drop/0_100
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Old 07-19-2013, 09:36 AM
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The RE XXX is a beast in the right size box, 8 cubic feet is good, for one of them! These are the ultimate IB drivers with 13 liters of displacement.

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Old 07-19-2013, 09:38 AM
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Quote:
Originally Posted by enterthedragon View Post

No way the XXX could fit in a box remotely close to the same size as the Cap S2. I want to say the basket/magnet depth is like +13" deep.

Do it...
http://www.avsforum.com/t/1448650/fs-pair-of-re-xxx18s-final-price-drop/0_100

The are 14 and change...was just on the website. It recommends 4 cubic ft ideally for one driver

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Old 07-19-2013, 09:48 AM
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The are 14 and change...was just on the website. It recommends 4 cubic ft ideally for one driver

That is for a car. 4 cubic feet is good for a LMS 5400, this beast needs 8 cubic feet. Just ask the guys that own and have measured them.

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Old 07-19-2013, 09:57 AM
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That is for a car. 4 cubic feet is good for a LMS 5400, this beast needs 8 cubic feet. Just ask the guys that own and have measured them.

I see. What exactly is an IB? I googled it. Looks like subs facing the opposite way?

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Old 07-19-2013, 09:58 AM
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Damn, I could pick up those from beast right now

How do these subs fair with SQ? It is an important factor for me. I have read these subs are beasts and built for high output but also have good SQ

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Old 07-19-2013, 10:04 AM
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As good as the others. The others will have more midbass than these.

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Old 07-19-2013, 10:14 AM
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As good as the others. The others will have more midbass than these.

But they will provide enough mid bass right? 2 or 4 of these would cover it all?

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Old 07-19-2013, 10:18 AM
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I see. What exactly is an IB? I googled it. Looks like subs facing the opposite way?

Infinite baffle. In a nutshell; you are using an opposing rooms space as the box. No coloration of sound amongst other benefits.

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Old 07-19-2013, 10:23 AM
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Infinite baffle. In a nutshell; you are using an opposing rooms space as the box. No coloration of sound amongst other benefits.

So I would build the box and mount the subs with the magnet out? Can the be mounted normal?

Forgive all my questions. I'm like that new guy at a job who just doesn't know all the terminology yet smile.gif

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Old 07-19-2013, 10:55 AM
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Enough depends on your goals but yes they will have lots of Midbass. Look at the ported XXX to get an idea of Midbass. An IB is like a sealed sub but with a huge enclosure and less power where the sealed sub has a small enclosure and lots of power. The IB uses a room like an attic or crawl space for the box so you can put a line array on your walls with the backs facing in the other room for a very simple design. The bad is that room will get the same bass wave so if not contained will rattle that room as much as the intended room. That is the only reason I have not gone IB yet, I have my bass in my sealed room.

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Old 07-19-2013, 11:13 AM
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Enough depends on your goals but yes they will have lots of Midbass. Look at the ported XXX to get an idea of Midbass. An IB is like a sealed sub but with a huge enclosure and less power where the sealed sub has a small enclosure and lots of power. The IB uses a room like an attic or crawl space for the box so you can put a line array on your walls with the backs facing in the other room for a very simple design. The bad is that room will get the same bass wave so if not contained will rattle that room as much as the intended room. That is the only reason I have not gone IB yet, I have my bass in my sealed room.

Well considering I don't own a home yet I would be building a sealed enclosure

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Old 07-19-2013, 11:28 AM
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How would a 12.2 cubic ft enclosure do with two of these bad boys? 48x22x20.

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Old 07-19-2013, 12:02 PM
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How would a 12.2 cubic ft enclosure do with two of these bad boys? 48x22x20.

That would be pretty gangster...

Tell you what... 54mm xmax sure would be fun to look at! $1000 for a pair is one hell of a deal!

These subs are VERY power hungry. VERY VERY power hungry.
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Old 07-19-2013, 09:12 PM
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How would this amp do with 2 RE XXX's?
http://www.parts-express.com/pe/showdetl.cfm?partnumber=248-7986
Also if they are 2 Ohm subs, would I just wire them separately to their own binding posts? So have two sets of binding posts on the box. And opinions on a 12.2 ft3 enclosure. Should I shoot for a little more air?

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Old 07-20-2013, 08:07 AM
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Maybe more like a Lab Gruppen 14000 (or clone)....at least that was what I was thinking when he said very power hungry....
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Old 07-20-2013, 09:10 AM
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Yea I had them cross my mind. I hear they are really costs effective but can be problematic. There is just a lot I don't know with DIY, not sure if it's the best route at this point. As in I have enough money from gear sales and could begin moving forward in a DIY sub build slowly. DECISIONS! I was thinking those Peavey amps because it says they put out 3700 watts a channel 2 ohm. The 2 RE XXX beast has are 2 ohm...Hmm maybe not, I just ran through the numbers and with the sensitivity rating (86.2) we are at 4096 watts at 121 db (2048 at 119) but that would be good right? The enclosure and room gain will add how many db's?

Also, how would these subs do with decay time, distortion, etc?

But this is a sexy pic!

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Old 07-20-2013, 03:07 PM
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Quote:
Originally Posted by jlpowell84 View Post

How would this amp do with 2 RE XXX's?
http://www.parts-express.com/pe/showdetl.cfm?partnumber=248-7986
Also if they are 2 Ohm subs, would I just wire them separately to their own binding posts? So have two sets of binding posts on the box. And opinions on a 12.2 ft3 enclosure. Should I shoot for a little more air?
Haha.. One channel per voice coil. Yeah, that'll do....
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Old 07-20-2013, 03:42 PM
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^Yeah, I'm sure they would max out the amp if one channel per sub. It seems the LG clone amp is the only feasible way to go with these.

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Old 07-20-2013, 03:45 PM
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Well boys, I'm flying out to Oahu in a few hours. Lata!

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