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Yamaha SW118V Subwoofer

My SW118V Subwoofer is cutting off and on. I am using 2 Yamaha tops which has no problem. I switched the channels to make sure it wasn't my amp and the two tops plays with no problem. I also switched the cables on the speakers, but the subwoofer continued to cut in and out.

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Re: Yamaha SW118V Subwoofer

NICE SUB! I have found that when this happens, there is a good possiblity that there is a loose connection on the speaker, or on the crossover network inside the sub. The real only way to test this sub to see if it is indeed the sub, would be to test it in real time under controlled conditions. That would involve hooking the sub up to a power amp that has a tone generator attached to the input and driving the sub to its rated capacity. Other then that, you could probe around to see if you have or can see any loose connections inside the sub BUT I would not recommend you doing this while the amp is on as you could short out the output stage in the amp. My best advice would be to take or send this sub into an authorized Yamaha repair station. Good Luck

Posted on Jun 07, 2007

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