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Why isnt my woofer working?

Ok last night i noticed on my 10 inch sub woofer there was a wire that wasnt on so i put it on and tightend the screw next morning it wouldnt work, there was a small spark that happend while tightening the screw, by chance did i short something or what i dont know what to do, or how to get it fixed!?!?

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  • letsallskate May 15, 2009

    ok, the amp i do not kow for sure all for brands is that it says XTreme along with the subwoofer and XScorpian, the amp had a number xa-3002, and its a 300 wat amp, i do know it isnt blown out, it is a dual channel, the amp is attached to the rear of the woofer box, along with all the wires running through the seats(wires are fine, damage wise as far as i can see).

  • letsallskate May 15, 2009

    there are 2 wires there is only one speaker, and they r in the corect places, to fix this do i need to buy new wires?

  • letsallskate May 15, 2009

    there are two input kind of wires one is red the other is grey they r in the two plugs they r supossed to eb all the wires are there, except one was missisng from a spot i belive it says 12v above it and it has a copper end and you need to screw a screw to hold it in place sparked last night while i was putting it back on, and there is no sound at all.

  • Sphynkter
    Sphynkter May 11, 2010

    are the ends of the wires bare copper? or do they have some kind of connector? If they're bare wire, make sure that not a single stray copper wire is touching any part of the other terminal. What do you mean by "they are in the correct places"? Are they in speaker output 1 or 2? Are the two wires connected to the correct corresponding + and - terminals. Are the wires connected to single terminals on different outputs? For example, one wire goes to the + terminal of output-1, and the other wire goes to the - terminal of output-2? On many amps, this configuration would be called bridging, but not all amps can do this. Is your amp hooked up this way? has it ever been? If you attempt to bridge an amp that isn't bridgeable, it's possible to fry the power supplies inside the amp. If you gently push on the cone of the woofer, do you hear any kind of scratching or rubbing sound?

  • Sphynkter
    Sphynkter May 11, 2010

    Ok, the amp you have is a 2 channel amp (2x55W@4ohms). On the side of the amp where the speaker wires are connected, there should be two speaker outputs, each output consisting of a positive ( + ) terminal and a negative ( - ) terminal. You should have a total of 4 speaker connections (2 per speaker). Please tell me how many wires are connected to the speaker outputs, and which position they're in. I'm guessing that you have a short in your wiring somewhere, and the amp is going into short-protection mode as soon as it turns on.

  • Sphynkter
    Sphynkter May 11, 2010

    Hey there, I'm going to need more information before we can start troubleshooting for a resolution. What brand/model of woofer do you have? Is it a single voice coil or dual? What kind of amp do you have, and how is the woofer connected to it? The more information you can provide, the better.

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Ok, that was some important information there. If you were tightening the 12V power line, small sparks are normal. You should also have a thin wire (often blue) going into a 3rd terminal. This is normally called the remote wire. It's the wire that tells the amp to turn on when your radio turns on. Do you have a remote wire connected? When you start your radio or car, does the amp light up? There should be a power indicator light -does it light up? There may also be a fuse on the side of the amp, pull this out and see if it's blown. If not, put it back in.

Posted on May 15, 2009

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