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PS8 Subwoofer started buzzing non-stop

New PS8 Subwoofer started buzzing non-stop, buzzes when plugged in (whether connected to receiver or not) Checked the one 250V fuse, looks ok, but doesn't buzz when the fuse is out... Has it gone bad, or do I just need a new fuse?

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With nothing connected and the sub turned on....Most subs buzz when the circuitry starts to fatigue. The last time I heard this ..the repair ended up being one of the two fat capacitors inside the sub. I have a means of testing this,,you may not. I am a repair shop with a bit of experience in component level board repair.

Posted on May 07, 2010

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Posted on Jan 02, 2017

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I have a constant buzz tone coming from my subwoofer. I checked power connection, fuse and volume/crossover settings and nothing makes the tone go away. is there anything else I can do? Is it repairable?


Hello,if your subwoofer cable has gone bad this will introduce a hum(buzz) into your audio.I suggest replacing the subwoofer cable, a standard rca cable will do,and see if the audio cleans up.

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Iassume you mean you hear the buzz independently of the audio program - simply connecting the cable causes the buzz?

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Generally, a buzz from your sound equipment indicates some sort of nearby EMI. The normal culprits and.or possible fixes that I've found are:

- Remove any other electronic devices plugged into the same outlet as your subwoofer

- If the woofer is on a power strip/surge protector, remove it and plug directly into the wall

- If there are any nearby wireless devices (cordless phiones, WiFi eqiupment), disconnect/power down them

- Try connecting different speaker wire between the woofer & the receiver

- Try turning off all other eletronic equipment with the exception of your receiver


Let me know if any of these help and good luck!

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