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Audiosource AST-Sub 10 subwoofer. it blows the fuse when turn on.

I noticed that my subwoofer is not making any sound. i check the power light and it was off. i check the fuse and its blown. i replaced it with the extra fuse that company have enclosed. i turn it on, and it made a sound for a split second, then it was dead silence. i check the fuse, and it was blown. what could cause this problem? i am sure that there is a short circuit some where? is my speakers gone? i hate to replace this subwoofer it has a great design. thanks for your help.

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It sounds like your audio amplifer has a short (probably the out put transistors or module). This should not be an expensive epair.
To check your speaker you can use an ohm meter. First, pull of one of the two wires that connects at the speaker. You should read 4 to 8 Ohms. Also you will hear a little pop through the speaker as you touch the wire. You can also use a 9 volt battery in the same way.
Good Luck

Posted on Jul 25, 2009

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