Hissing and popping from speaker

dsway

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Jun 2, 2011
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doug way
In my theater I a running 2 Definitive Technology Mythos ST towers from a Marantz receiver. Have had no problems for 5 years. Now the right speaker is making a hissing and popping noise. Not sure where to start looking for the problem. Any help would be appreciated. Thanks
 

David Willow

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Jan 23, 2004
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Dave
I would start by swapping the left and right speakers and see if the hissing/popping follows (swap the speakers only, not the wire). If it does, then you know it is the speaker and can begin troubleshooting.
 

dsway

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Jun 2, 2011
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doug way
The speaker has a powered subwoofer built in. I unplugged the speaker and the noise stopped. The problem is in the amp or subwoofer.
 

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