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    warm dust caps?!

    I am running two sa 15's off a kicker zx2500.1 (you may remember seeing my previous thread about sending the sa's that much power) that I have set the gains with a DMM to output 1000 wrms to each sub at 2 ohms.

    The subs sound great and I have not been smelling any voice coil heat or anything. But last night I took a nice cruise and had them bumpin pretty hard for around 25 minutes straight, with several small breaks in the music between songs and such. When I got home I felt the dust caps and they were definitely a bit warm, is this suspect of them getting too much power or over worked?

    any info would be great,







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    Re: warm dust caps?!

    I don't have any experience with this, but I'd assume it's just the heat radiating from the rest of the subwoofer. It's probably fine, but I'm not 100% sure.





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    Re: warm dust caps?!

    clipping !!!! the subs not enough battery juice




    pioneer avhx 5500 dvd, gzpa 1.4000 x 2
    ab vfl 350.4 ,7 pc 2150 and a 150 ah power ware agm ,275 amp singer alt , 2nd one coming soon
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    Re: warm dust caps?!

    Rofl I cant even touch mine most of the time.



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    Re: warm dust caps?!

    Quote Originally Posted by mylows10 View Post
    clipping !!!! the subs not enough battery juice
    i suppose it could be clipping, I don't hear anything as far as distortion or clipping, btu i'm no expert. I doubt it's low voltage, i rarely drop below 13 volts while driving, and I don't bump while sitting still usually. i have the big 3 in 0 gauge, optima YT, 2 runs of 0 to the back, kinetik 2400.

    is there any way to test clipping without an oscilloscope*? I set the gains to 60 volts AC with my dmm on a 50 hertz 0db test tone at 3/4 volume.

    ---------- Post added at 10:44 AM ---------- Previous post was at 10:43 AM ----------

    Quote Originally Posted by nateberrier View Post
    Rofl I cant even touch mine most of the time.
    haha, word man? what are you running? jw.

    i wasn't too worried cause I couldn't smell the coils cooking at all, but I am just curious as to if I need to worry about this.




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    Re: warm dust caps?!

    what size alt do you have ?




    pioneer avhx 5500 dvd, gzpa 1.4000 x 2
    ab vfl 350.4 ,7 pc 2150 and a 150 ah power ware agm ,275 amp singer alt , 2nd one coming soon
    cdt 6.5 es 6 im mids,cdt es 010 tweets,es 02 mids ,mx1000 3 way x overs , sky high and stinger hpm o gauge wires ,also 2 tantric hdd 15's in a 9.5. ^3 ported no wall box 11.5 octo port.
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    Re: warm dust caps?!

    Quote Originally Posted by mylows10 View Post
    what size alt do you have ?
    supposed to be 240 amp at 1200 rmp, but it's not an iraggi* or mechman or anything, it's a world power systems alt, so it might not be that powerful. I don't get any light dim or anything.




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    Re: warm dust caps?!

    Quote Originally Posted by mylows10 View Post
    what size alt do you have ?



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    Re: warm dust caps?!

    hmm , sounds like a big enough alt ,then maybe your just throwing too much power at them . they shouldn't be getting hot ,a little warm is ok every now and then.heat is bad for the coils .




    pioneer avhx 5500 dvd, gzpa 1.4000 x 2
    ab vfl 350.4 ,7 pc 2150 and a 150 ah power ware agm ,275 amp singer alt , 2nd one coming soon
    cdt 6.5 es 6 im mids,cdt es 010 tweets,es 02 mids ,mx1000 3 way x overs , sky high and stinger hpm o gauge wires ,also 2 tantric hdd 15's in a 9.5. ^3 ported no wall box 11.5 octo port.
    NOR CAL DB DRAG JUDGE
    http://www.dcsoundlab.com

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    Re: warm dust caps?!

    Quote Originally Posted by mylows10 View Post
    hmm , sounds like a big enough alt ,then maybe your just throwing too much power at them . they shouldn't be getting hot ,a little warm is ok every now and then.heat is bad for the coils .
    I'm sure his definition of hot is ours of warm.



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    Re: warm dust caps?!

    Quote Originally Posted by vISUALHype View Post
    I'm sure his definition of hot is ours of warm.
    could be !

    ---------- Post added at 08:59 AM ---------- Previous post was at 08:58 AM ----------

    Quote Originally Posted by nateberrier View Post
    Rofl I cant even touch mine most of the time.
    this , not good




    pioneer avhx 5500 dvd, gzpa 1.4000 x 2
    ab vfl 350.4 ,7 pc 2150 and a 150 ah power ware agm ,275 amp singer alt , 2nd one coming soon
    cdt 6.5 es 6 im mids,cdt es 010 tweets,es 02 mids ,mx1000 3 way x overs , sky high and stinger hpm o gauge wires ,also 2 tantric hdd 15's in a 9.5. ^3 ported no wall box 11.5 octo port.
    NOR CAL DB DRAG JUDGE
    http://www.dcsoundlab.com

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    Re: warm dust caps?!

    Tone down the power



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    Re: warm dust caps?!

    Quote Originally Posted by mylows10 View Post
    could be !

    ---------- Post added at 08:59 AM ---------- Previous post was at 08:58 AM ----------



    this , not good
    they were definitely not HOT at all, just slightly warmer than the rest of the cone/surround.
    I will be sure to keep an eye on them and check for heat after any serious bumpin.

    ---------- Post added at 11:11 AM ---------- Previous post was at 11:10 AM ----------

    Quote Originally Posted by JEEPWJ4.7 View Post
    Tone down the power
    will do, or maybe it's a sign that new/ more beefy subs are in order already...




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    Re: warm dust caps?!

    clipping,bad ground, too much power, or just regular heat build up




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    Re: warm dust caps?!

    Quote Originally Posted by CAT MAN View Post
    clipping,bad ground, too much power, or just regular heat build up
    Bad ground eh?? hmm that was the one aspect of this build that I wasn't 100% confident with from the get-go. I currently have to grounded to a seat bolt, i sanded it down good and torqued the bolt down hella good. Would it be best to simply make a run of 1/0 from the back batt to the front battery?

    I have twp runs of Knu KCA 1/0 front to back for the power, would I want to match up my ground runs with the same amount of wire?




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