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AMP fuse keeps blowing :( i need help!

Discussion in 'Audio & Video' started by xwillx93, Jul 28, 2011.

  1. Jul 28, 2011 at 8:20 PM
    #1
    xwillx93

    xwillx93 [OP] Well-Known Member

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    I have 8 gauge wire running to a fuse under the hood, then through the firewall and to the amp. By my damn fuse keeps blowing! it calls for a 25 but ive gone through about 5 of them now right when i get my sub to sound the way i want. Can anyone help me? I'm a little new with amps and the wiring, but it is a Sony (i know please forgive me..it was a gift) a Sony 702 EXM. Cant find any info on it..but i think its roughly 250 Watts and im running a bridged connection to one 10" kicker comp vr. Help! :(
     
  2. Jul 28, 2011 at 8:33 PM
    #2
    Iceman2448

    Iceman2448 Well-Known Member

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    Make sure your power wire isn't cut and make sure all the connections are tight and not loose. Try turning the gain all the way down and then tuning it just a little at a time.
     
  3. Jul 28, 2011 at 9:20 PM
    #3
    xwillx93

    xwillx93 [OP] Well-Known Member

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    Bump. And thank you ill try it in the morning!
     
  4. Jul 28, 2011 at 9:25 PM
    #4
    achirdo

    achirdo First Class White Trash

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    Check all connections. Make sure nothing is shorting out anywhere.

    Just remember watts/volts is your amps
     
  5. Jul 28, 2011 at 9:42 PM
    #5
    UMBCrew

    UMBCrew Well-Known Member

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    You said your running it bridged. The amp may not be able to handle the speaker bridged. If the sub is dual 2ohm voice coils then thats a one ohm load in seires. Re wire the sub that it's in parallel and you'll get a 4 ohm load which the amp should handle just fine. Most all sub owners manuals you can look up online and the almost always tell you how it's should be wired in parallel.
     
  6. Jul 29, 2011 at 12:00 AM
    #6
    sun

    sun Well-Known Member

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    need a new amp that can handle the sub...
     
  7. Jul 29, 2011 at 1:15 AM
    #7
    burtont62

    burtont62 Member

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    That is completely wrong.

    Series would be 4ohm and parellel would be 1 ohm

    [​IMG]
    [​IMG]
     
  8. Jul 29, 2011 at 1:21 AM
    #8
    burtont62

    burtont62 Member

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    Amp is probably clipping from distortion or motorboating from not enough power and in turn is blowing the fuse.

    A short would blow the fuse instantly not when you turn the volume up. Loose connection could be problem, but sounds more like amp.

    Where is ground and is it a good ground, bare metal, factory bolt, tight, close as possible to amp.
     
  9. Jul 29, 2011 at 9:08 AM
    #9
    UMBCrew

    UMBCrew Well-Known Member

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    yeah i had a feeling i was backward. the info is still good just terminology is backward.
     
  10. Jul 29, 2011 at 9:14 AM
    #10
    UMBCrew

    UMBCrew Well-Known Member

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  11. Jul 29, 2011 at 10:53 PM
    #11
    burtont62

    burtont62 Member

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    I know how it goes, some late nights I type stuff and the next day I'm like who typed that crap.
     
  12. Jul 31, 2011 at 3:43 PM
    #12
    xwillx93

    xwillx93 [OP] Well-Known Member

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    Thanks everyone! i ripped all the pannels up and lone behold, the "expert" i payed $75 to professionally install my sound system ran the ground, positive, rca's and remote all down the same side and my ground was extremely loose. Since i've rewired everything and got a secure ground, everything has been sounding even better and no amps blown yet!
     
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