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    jcrom95's Avatar
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    Subs keep blowing.

    Could my subs keep blowing because i run the power cable and rca cable on the same side?







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    Re: Subs keep blowing.

    No



    Bought from Underfire, Stephens30228.

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    Re: Subs keep blowing.

    No. but you need to check your gain settings on the amp.




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    Re: Subs keep blowing.

    Well here is my setup:
    I am running a capacitor and that is going to my amp. I am running a Boss PG2.1500 amp. I have two Boss P156DVC.

    Amp Specs:
    Amplifier Class AB
    Number of Channels 2
    Total Peak Power Output 3000 watts
    Total RMS Power Output 1500 watts
    Maximum Input Gauge Size 4 AWG
    Minimum Impedance Unbridged 2 ohms
    Minimum Impedance Bridged 4 ohms
    THD at Rated RMS Power 0.01%
    Speaker Level Inputs Yes
    Preamp Outputs No
    Built-in Crossover Low-pass (LP)
    High-pass (HP)
    Full (AP)
    High-Pass Crossover Frequency 50 - 150 Hz
    Low-Pass Crossover Frequency 45 - 90 Hz
    Signal-to-Noise Ratio 103 dB
    Channel Separation 90 dB
    Bass Boost 0 - 18 dB
    Bass/Gain Remote Yes
    Fan Cooled No
    Fuse Rating 35A x 2
    CEA-2006 Compliant No

    Sub Secs:
    Subwoofer Series Phantom
    Subwoofer Size 15"
    Peak Power Handling 2500 watts
    RMS Power Handling 1500 watts
    Voice Coil(s) Dual
    Impedance (Per Voice Coil) 4 ohms
    Frequency Response 25 - 1,000 Hz
    Sensitivity 96 dB
    Subwoofer Design Round / Circle
    Main Cone Color Black
    Woofer Composition Injection Molded Polypropylene (IMPP)
    Woofer Surround Butyl Rubber
    Subwoofer Grille No
    Re-Cone Kit Available No




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    Re: Subs keep blowing.

    You're gonna have to give a little more info for us to be able to trouble shoot issues for ya. What size wire, how do you have everything wired up, how did you set your amp gains... ect.



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    Re: Subs keep blowing.

    I suspect they are blowing because they are complete garbage and the amp isn't far behind. Like buying a pair of 40$ work boots. You'll go through 8 pair of them before I wear out my 200$ pair.

    There is nothing you or we can do to make that amp put out anything close to clean and rated power, and even assuming you give the subs clean power they likely have about a 30% failure rate right out of the box.




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    Re: Subs keep blowing.

    If i turn my gain up know it hops into protection mode.




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    Re: Subs keep blowing.

    Quote Originally Posted by jcrom95 View Post
    If i turn my gain up know it hops into protection mode.
    We said turn it DOWN, not up... Subs are wired wrong and amp can't handle ohm load I'm guessing.




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    Re: Subs keep blowing.

    My guess is your clipping them to death without knowing anything except your setup is very bad. Are you sure its set up right? Is your gain all the way up and bass boost to?

    Also how do you have them wired to your amp? Are they bridged?



    Bought from Underfire, Stephens30228.

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    Re: Subs keep blowing.

    iv read that those sub are really rated at about 500rms an you should definitely have someone with experience set your amp shouldn't cost that much




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    Re: Subs keep blowing.

    How are your subs wired? If they're wired 2 ohms to each channel you should be alright. It would be giving the subs maybe 250-300 a pc. The 15's are garbage but they should be alright at that low of a wattage.

    You do know how to wire subs correct? If you have them wired together they're either at 8 ohm or at 1 ohm and that amp will take a shit quick at 1 ohm.




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    Re: Subs keep blowing.





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    Re: Subs keep blowing.

    Stop buying crap and set the equipment up right/thread



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    All stock everything.

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    Re: Subs keep blowing.

    You have your gains set wrong. As long as you use your equipment within it's mechanical limits it will be fine for you, but if you try to use it outside those limits then you will have problems.



    Headunit - Pioneer DEH-P8300UB
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    Quote Originally Posted by zako View Post
    Most properly done 15 inch subwoofers are not suited for car audio use simply due to box size requirements.

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    Re: Subs keep blowing.

    Quote Originally Posted by jcrom95 View Post
    Well here is my setup:
    I am running a capacitor and that is going to my amp. I am running a Boss PG2.1500 amp. I have two Boss P156DVC.

    Amp Specs:
    Amplifier Class AB
    Number of Channels 2
    Total Peak Power Output 3000 watts
    Total RMS Power Output 1500 watts

    Maximum Input Gauge Size 4 AWG
    Minimum Impedance Unbridged 2 ohms
    Minimum Impedance Bridged 4 ohms
    THD at Rated RMS Power 0.01%
    Speaker Level Inputs Yes
    Preamp Outputs No
    Built-in Crossover Low-pass (LP)
    High-pass (HP)
    Full (AP)
    High-Pass Crossover Frequency 50 - 150 Hz
    Low-Pass Crossover Frequency 45 - 90 Hz
    Signal-to-Noise Ratio 103 dB
    Channel Separation 90 dB
    Bass Boost 0 - 18 dB
    Bass/Gain Remote Yes
    Fan Cooled No
    Fuse Rating 35A x 2
    CEA-2006 Compliant No

    Sub Secs:
    Subwoofer Series Phantom
    Subwoofer Size 15"
    Peak Power Handling 2500 watts
    RMS Power Handling 1500 watts

    Voice Coil(s) Dual
    Impedance (Per Voice Coil) 4 ohms
    Frequency Response 25 - 1,000 Hz
    Sensitivity 96 dB
    Subwoofer Design Round / Circle
    Main Cone Color Black
    Woofer Composition Injection Molded Polypropylene (IMPP)
    Woofer Surround Butyl Rubber
    Subwoofer Grille No
    Re-Cone Kit Available No
    These numbers make me laugh a lil. Most likely your gain is set too high, and you probably have the bass boost cranked as well.




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