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  • Bridging Amp

    I just installed my (1) eD 13Ov.2 Dual 2 ohms and the store who installed it said it isn't gonna be loud because I have a 2 channel amp (Rockford Fosgate P6002). So i guess i have to bridge it myself.

    I read the manual and it shows me how but i don't know if the sub is wired correctly. Here is a picture:




    Can someone tell me if its right or not? if not, how should i wire it

  • #2
    umm thats not enough info...that can tell me if its wired series or paralell.
    look at ur amps output post...
    do u c the word bridge?(it should be on there) well if u do then it should have lines pointing to 2 different posts.
    wire it with those posts.
    take multiple pics of ur amp place where the posts are and il take screen shots and show u
    Bass is like cocain... ITS ADDICTIVE
    couple days till i have bump in da trunk
    _/---|____
    |_@___@_| <<===My lowrider

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    • #3
      Originally posted by keviNxL
      I just installed my (1) eD 13Ov.2 Dual 2 ohms and the store who installed it said it isn't gonna be loud because I have a 2 channel amp (Rockford Fosgate P6002). So i guess i have to bridge it myself.
      right, i'm sure they have no clue what they are talking about. Without a doubt, you should throw their advice to the wind and start hooking things up any old way. It will eventually get loud.

      That speaker is wired in series. If it is a dual 2 ohm speaker, then that would equal 4 ohms. If they are dual 4 ohm speakers, then it equals 8. Both would be safe to run on that amplifier if you bridge the amp.

      You could run the amp in stereo to each voice coil as well. 600 watts X1 = 600 watts (like you have it wired). 300 watts x 2 = 600 watts (running it in stereo). They are basically the same thing. just do NOT wire it in parallel, i.e. + to +, - to -. You will blow up the amp.
      Take my advice: Do not try to build a system that includes EVERY feature. Start with the basics, build it to a bug free state, and THEN add on.

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      • #4
        Meh, won't "BLOW UP" the amp, that's slightly overkill ;P but it'll overheat the amplifier quickly.

        Your sub is DVC 2ohm, so your wiring is correct, just bridge the amp to get a mono signal. And Will Albers is right, you can run it to stereo if you'd like as well, one lead to each coil.

        And what store installed it??

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        • #5
          Looks fine to me too--if you have one dual 2 ohm voice coil sub, your setup should work great. That's a decent sub amp, too. FYI--on RF amps, the outer positive and outer negative are used to bridge the amp, like so:
          use this for the positive --> + - + - <-- this for the negative

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          • #6
            sorry here is a picture of my amp and how it is set up



            all i have to do is move the wire in the + to the other side? sounds easy

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            • #7
              i hope it uploaded lol...new to teh forums but i know muh car audio
              Attached Files
              Bass is like cocain... ITS ADDICTIVE
              couple days till i have bump in da trunk
              _/---|____
              |_@___@_| <<===My lowrider

              Comment


              • #8
                Yup, that's it.

                Comment


                • #9
                  how is that sub working out with your amp?

                  I have that amp, and I'm looking for a clean sounding sub to match it, or a pair of subs, i've been looking for specs on the sub, but they're hard to come by, so just wondering how good the combo is working out for you

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                  • #10
                    You could run the amp in stereo to each voice coil as well. 600 watts X1 = 600 watts (like you have it wired). 300 watts x 2 = 600 watts (running it in stereo)
                    Don't ever do that. If the amp can handle the load at stereo it can handle the load at bridged mono. 2 ohm stereo = 4 ohm mono.

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                    • #11
                      Originally posted by Shadow
                      Don't ever do that. If the amp can handle the load at stereo it can handle the load at bridged mono. 2 ohm stereo = 4 ohm mono.
                      Shadow, what are you talking about? Dont ever do what?
                      Take my advice: Do not try to build a system that includes EVERY feature. Start with the basics, build it to a bug free state, and THEN add on.

                      Comment


                      • #12
                        He might be trying to say don't run a DVC sub in 'stereo', meaning hook up one coil to each output. So left out of the amplifier goes to coil 1, and right out goes to coil 2.

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                        • #13
                          Well why not? As long as you use a mono signal everything is kosher. In fact, many people have done it with a stereo signal with little problems. Not that i condone such.

                          Many amps will have a higher dampening factor in stereo and less distortion. I will have to check 4 ohm mono vs 2 ohm stereo but i wouldnt be surprised if the 2 ohm stereo still edges out the bridged in regards to quality. Are you going to notice the difference? Probably not.

                          Lets also keep in mind that a woofer in series is inducing an unwanted crossover network. The voicecoil acts just as a normal coil in a crossover. Most of the time the issue is outside of the frequency range of the woofer, but its there.

                          Now i wasnt recommending one config over another. I was simply stating what he could do. To say never do such a thing automatically makes me ask why not?
                          Take my advice: Do not try to build a system that includes EVERY feature. Start with the basics, build it to a bug free state, and THEN add on.

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                          • #14
                            You didn't mention anything about running a mono signal to it. I know it's technically okay to do, but I'd never recommend it.

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