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    mrahrens22's Avatar
    mrahrens22 Posts: 10, Reputation: 1
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    #1

    Jan 13, 2008, 01:53 PM
    blown sub?
    Im new into subwoofers and I have a 15 inch rockford HE2 subwoofer 500 watts rms and 1000 peak 4 ohms, I'm running a sony XM2002GTW amp to it and the amp has the following...

    1200W max power
    200W x 2 RMS into 4 ohms
    500W x 1 RMS into 4 ohms
    High level sensing power on
    Variable 50 - 300 Hz low pass filter
    40 Hz EQ boost
    Line level thru-put
    MOSFET output stage and power supply
    RCA and speaker level inputs
    CEA-2006 power compliance

    Is this too much power for this sub, if it is will the sub eventually go bad??
    adamabc's Avatar
    adamabc Posts: 25, Reputation: 2
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    #2

    Jan 16, 2008, 04:49 AM
    OK you obviously have a multi channel amp so if you bridge the sub like required usually then you will be getting about 500w which is the rms (recommended range) as long as you don't consistently exceed that then you should be good but on the amp you can choose usually no boost or watever to minimalize the power going to it
    mrahrens22's Avatar
    mrahrens22 Posts: 10, Reputation: 1
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    #3

    Jan 16, 2008, 02:52 PM
    Okay, I got the sub from a pawn shop so it is probably just junk
    adamabc's Avatar
    adamabc Posts: 25, Reputation: 2
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    #4

    Jan 16, 2008, 03:30 PM
    Well have you just hooked it up and seen if it works
    mrahrens22's Avatar
    mrahrens22 Posts: 10, Reputation: 1
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    #5

    Jan 16, 2008, 10:06 PM
    Yes but the sub has a very weird sound, the sub sounds like rattling metal or something, a very crappy sound, so I don't know if that means its blown or what
    ISneezeFunny's Avatar
    ISneezeFunny Posts: 4,175, Reputation: 821
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    #6

    Jan 16, 2008, 10:07 PM
    If it works, then it's obviously not blown, but there could be a tear. Did you look at it carefully?
    mrahrens22's Avatar
    mrahrens22 Posts: 10, Reputation: 1
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    #7

    Jan 16, 2008, 10:09 PM
    Yeah there is no tear or nothing but it sounds like there is a huge one and when I push on the sub and let go it makes that distorted type noise and I heard when they do that they are done for...
    adamabc's Avatar
    adamabc Posts: 25, Reputation: 2
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    #8

    Jan 17, 2008, 03:30 AM
    well yea pretty much its screwed perhaps the vc is messed up or loose that could cause a problem with sumin that big it may be dvc is it vc=voice coil and dvc=dual voice coil
    mrahrens22's Avatar
    mrahrens22 Posts: 10, Reputation: 1
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    #9

    Jan 17, 2008, 12:08 PM
    Its dvc, so should I try hooking it up to the other voice coil
    adamabc's Avatar
    adamabc Posts: 25, Reputation: 2
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    #10

    Jan 17, 2008, 05:21 PM
    Yes do that and see if it does anything if not then I would have to say its probably thrashed
    mrahrens22's Avatar
    mrahrens22 Posts: 10, Reputation: 1
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    #11

    Jan 17, 2008, 10:29 PM
    Okay thank you
    adamabc's Avatar
    adamabc Posts: 25, Reputation: 2
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    #12

    Jan 18, 2008, 12:17 AM
    No problem but just in case also before you just toss it I might take it to a stereo shop and get them to look at it just because you never know
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