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» Termpro Audio Forum » Component Specific Topics » Subs and Enclosures » Thinking about changing my system..

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Author Topic: Thinking about changing my system..
Owners2
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So I had my truck metered today, and to my DISAPPOINTMENT, it only bass raced a 147.1 and burped a 150.1 at 40hz.

I have (4) Memphis Mojo 15's on 5000 watts so it was quite disappointing..

With that being said, its time to change it up.

I have been looking at a few subs and have come up with an idea..

(2) Digital Designs 9518g's

or

(2) LMS Ultra 18s

The LMS are way hard to get for a decent price and I am leaning more towards the DD's

I am going to be using 5000 watts at 1 ohm or .5 ohms depending on which is more practical for daily. Any thoughts on which would be better?

Posts: 3 | From: Palm Beach Gardens, Florida | Registered: Jan 2009  |  IP: Logged | Report this post to a Moderator
Nightshade
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You probably could have bassraced a better number if the start/song was better for your vehicle. I burp a 149.7 and bassraced a high of 147.3 with one sub having a 4" tear in it. What song did you use to bassrace with? If your peak is at 40hz some Jeezy probably would have worked best for you. Thug Motivation 101, Trap or Die, and Airforces all work well in that range. Is the vehicle walled? I would also expect more out of 4 15's too, but there may be some things you can do to get it louder without changing subs right now. Can you post up any pictures of your ride so we can see what your working with?

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Posts: 1993 | From: The Triad | Registered: Jan 2008  |  IP: Logged | Report this post to a Moderator
Owners2
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I used Gorilla Zoe - Juice Box to test it with.

I don't have many pics of the system but I have lots of videos..

heres some pics of the box (also, its WAY too big for my truck, I can barely fit everything. it was meant for my old truck)

http://img.photobucket.com/albums/v248/Owners1/mainpic.jpg
http://img.photobucket.com/albums/v248/Owners1/bridge.jpg
http://img.photobucket.com/albums/v248/Owners1/boxwidth.jpg
http://img.photobucket.com/albums/v248/Owners1/boxlength.jpg
http://img.photobucket.com/albums/v248/Owners1/boxheight.jpg
http://img.photobucket.com/albums/v248/Owners1/portlength.jpg
http://img.photobucket.com/albums/v248/Owners1/portlength2.jpg

Posts: 3 | From: Palm Beach Gardens, Florida | Registered: Jan 2009  |  IP: Logged | Report this post to a Moderator
pimpin at my house
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it's ur box, the port needs to be low in the box facing the rear. aeroports r best...
Posts: 6891 | From: north rose,ny | Registered: Aug 2002  |  IP: Logged | Report this post to a Moderator
SOUND XTREME
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at the very least, round out all those edges and resin the box in and out
Posts: 574 | From: SPEAKER-TOWN | Registered: Sep 2005  |  IP: Logged | Report this post to a Moderator
2000LaDe
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already told this guy whats wrong on ROE. its not the equipment cuz mojos get loud on music

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Posts: 1292 | From: Lafayette Indiana | Registered: Aug 2006  |  IP: Logged | Report this post to a Moderator
pimpin at my house
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resin the inside of the box dosent always help i saw a .4 drop in mine last week. i think it had something to do with impedence rise with the air moving faster in a small chamber...
Posts: 6891 | From: north rose,ny | Registered: Aug 2002  |  IP: Logged | Report this post to a Moderator
Owners2
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how much power do you guys think would be lost from a bad ground? because for 5000 watts, I think I have the worlds WORST ground lol
Posts: 3 | From: Palm Beach Gardens, Florida | Registered: Jan 2009  |  IP: Logged | Report this post to a Moderator
D-Bass
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you can lose a good bit of power, and the power you do have can be VERY dirty power, which isn't going to help score on bit
Posts: 5921 | From: Columbus, OH - formerly FL | Registered: Oct 2003  |  IP: Logged | Report this post to a Moderator
pimpin at my house
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without a good grond you wont make power and when ur tring to push the amp hard it could easily blow...
Posts: 6891 | From: north rose,ny | Registered: Aug 2002  |  IP: Logged | Report this post to a Moderator
ssaudio
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Contact me if you are interested in LMS 18's I have another set. That box is way too large. Your truck should be peaking around 44-47 for you to see a better score and the port should be firing back. I have seen those models shine in around a 9.5-10 cubic foot enclosure with less then 90 square inches of port.

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Posts: 123 | From: Ohio | Registered: Jan 2007  |  IP: Logged | Report this post to a Moderator
   

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