Question about Insignia 600W Bridgeable Amplifier with 12" Subwoofer

1 Answer

Sub stopped working, unless i push on it?

I have a 12" MTX Thunder sub is in great shap but wont work. I know the rest of my gear works fine.

if i hook up the MTX nothing. If i push in on the cone a bit, it will start working agin till i let go.

Anyone know what this is or how to fix it.

Thanks
Shaun

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  • 110 Answers

Sounds like maybe the wiring from the cone to the magnet is ripped or broken.... which is why when you push the cone in it works because it pushes it far enough to make the wires touch just barely, but when you let it go the wires seperate and you get no sound.

Your wire is built with slack, so when the cone goes in and out during a song, the wire can move with it and not get broken. but when you cone moves too in or too far out, then that wire can snap or become disconnected.

I have fixed this by soldering the copper wire, but you may lose some power because your copper wire might be a bit shorter(it will probly break again)... or you can lengthen it, but it is not easy to solder... some places will fix it for you but the cost may be more than what it is worth.

This is just a guess, take your speaker outta the box, and look to see if these wires are broken, lose, or frayed.

good luck.

Posted on Sep 11, 2009

  • print-or-die Sep 11, 2009

    i thought i gave a pretty detailed explanation... should have given me 4 thumbs up.. next time ill just say to buy a new one

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