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Top 2GNT Technical Interior/Exterior Audio, Alarms, AV topic #4034
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Chris_FLSep-26-02 07:49 AM
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#4034, "Need help...."




          

Here's my dilema. I have 3 10 inch subs in my trunk wired in parallel. They are 12 ohm speakers producing a 4ohm load that my Rockford is pushing.

Getting 3 10's to fit back there is a huge pain in the ass. I built a nice box to put them in, but the thing is HUGE!!!! I want to get rid of one of the tens.

If I do that, then I will have 2 12 ohm speakers producing a 6 ohm load (correct?) Which will most likely sound like total shit.

Is there any way I can get rid of one sub and still maintain a 4-ohm load? Maybe something I can wire in that will create some type of resistance?

TIA


http://www.snappydsl.net/ctoledo/

  

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Replies to this topic
RE: Need help...., Moderatorsd_eclipse, Sep-26-02 08:03 AM, #1
RE: Need help...., 95_ESi_Person, Sep-26-02 08:31 AM, #2
      RE: Need help...., Chris_FL, Sep-26-02 08:47 AM, #3
           RE: Need help...., SPL_Eclipse, Sep-26-02 02:17 PM, #4
RE: Need help...., audiophyl, Sep-27-02 02:17 AM, #5
RE: Need help...., Chris_FL, Sep-27-02 01:11 PM, #6
      RE: Need help...., audiophyl, Sep-27-02 03:54 PM, #7

Moderatorsd_eclipseSep-26-02 08:03 AM
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#4035, "RE: Need help...."
In response to Reply # 0


          

First question, dual voice coil or single?

  

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95_ESi_PersonSep-26-02 08:31 AM
Member since Sep 16th 2002
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#4036, "RE: Need help...."
In response to Reply # 1


          

find a 2 ohm resistor, and wire it in series with the speaker. just a possibility, don't know if they make one made for such an "intense beating" though.

__________________________________
-Ryan

  

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Chris_FLSep-26-02 08:47 AM
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#4037, "RE: Need help...."
In response to Reply # 2




          

single...
Here's more info on the enclosure:
http://www.mtx.com/caraudio/archive/blueEnclosures.cfm


http://www.snappydsl.net/ctoledo/

  

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SPL_EclipseSep-26-02 02:17 PM
Member since Mar 11th 2002
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#4038, "RE: Need help...."
In response to Reply # 3


          

first..nice sepakers. im not a big fan of most of the MTX subs, but ive always liked the blue thunder stuff.

anyways....no, there is no way to reduce the load. you COULD wire a high-power resistor in line with them, but it wouldnt give any more power to your subs, it would just make the resistor really hot and waste a lot of power. somthing to consider: the subs dont remain at a constant 4 or 6 ohm load, the resistance changes dramatically (by up to 30 ohms or so) depending on the frequency being played. im willing to bet you could not notice a percievable difference between a 6 ohm sub and a 4 ohm sub on the same amp. obviously it wont be as loud becasue you are loosing a sub, but i dont think you will be dissapointed by the loss in SPL.

:shhh: i do cocaine :/shhh:

  

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audiophylSep-27-02 02:17 AM
Member since Sep 25th 2002
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#4039, "RE: Need help...."
In response to Reply # 0


          

In my opinion, three 10's is the perfect setup in our DSM's. Fitting them into the vehicle has always been the hardest part. I currently run 3 10's in my talon, but I had to remove the entire spare tire rack to accomodate the box. I still have "some" trunk space, but I prefer not to place items in that area.

If you go to my web site, you will see some of the steps that I took to make my enclosure.

Good luck to you!

J. Mykel Hill
SLAP Mid-West Event Coordinator

jmykel@slapshow.com

Certified IASCA Judge
Certified SLAP Judge

http://members.cardomain.com/audiophyl

2002 Sound, Looks, & Performance National Champion--Advanced Mitsubishi

  

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Chris_FLSep-27-02 01:11 PM
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#4040, "RE: Need help...."
In response to Reply # 5




          

First off,audiophyl that is a beautiful setup! emoji

That's what I would really love to do, but I've never worked with fiberglass. and would not really know where to begin. But something to thinkn about though...

SPL_Eclipse, thanks for your compliment about the subs. I'm really happy with them. They hit nice and sound really smooth. My only gripe is trying to fit all three of them. I might give your idea a shot though. Maybe fit two for now and see how it sounds for the time being.

Thanks for the help guys.

One last thing...
If you EVER decide to sell your box audiophyl, PLEASE let me know first.






http://www.snappydsl.net/ctoledo/

  

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audiophylSep-27-02 03:54 PM
Member since Sep 25th 2002
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#4041, "RE: Need help...."
In response to Reply # 6


          

Fiberglass is actually really easy! When I was building my system, I was afraid of doing any glass work. I priced out my box at a shop and they wanted $500 to build it. YIKES!!! emoji

I actually built 2 boxes. The first one was pretty bad. I cut it up and learned from my mistakes. The second attempt is what you see in my current setup. This winter, I'll be learning how to do carbon fiber. I plan on doing some pretty trick applications with carbon fiber.

My recommendation: but some resin and try it. You'll be surprised as to how easy it is to build with fiberglass.

Good Luck to ya!

J. Mykel Hill
SLAP Mid-West Event Coordinator

jmykel@slapshow.com

Certified IASCA Judge
Certified SLAP Judge

http://members.cardomain.com/audiophyl

2002 Sound, Looks, & Performance National Champion--Advanced Mitsubishi

  

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