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HK Subwoofer recently started emitting a popping sound while operating. The noise is not constant, but more intermitent

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I have the accoustimas 15 surround sound. Even when not in use the subwoofer emits a constant thump. It's very low but irritating. What is causing this?


That would be an electrical fault. Possibly an Electrolytic Capacitor that is leaking voltage into the audio circuit. Or a faulty semi-conductor.

Aug 25, 2015 | Audio Players & Recorders

1 Answer

Advent subwoofer


emits a steady sound means that their is some miss connection in the in put

May 23, 2014 | Audio Players & Recorders

1 Answer

Powered Sub Woofer emitting lound crackling noise


i would say so sounds like woofer is dying unless u pull it apart and replace the woofer it doesnt have to be same brand just same size and watts and ohms then u can keep it

May 28, 2010 | JBL 5.1-Channel Home Theater Speaker...

1 Answer

I have a wharfedale svp15 passive loudspeaker. The subwoofer has started crackling and popping at low volumes and has no deep bass. At high volumes it sounds great as usual and can't tell if the crackling...


Information I find online says it an Active Subwoofer, so that introduces its own amp as a possible source of the symptom. If there is another version of this model that's passive, all the more reason to believe the amp is the problem because passive speakers don't spontaneously emit sounds.

If there was a physical reason for the crackling I would think more power would make it worse or blow it up.

A poor sub signal cable connection might explain low current anomalies if random noises are entering the signal path.

Make sure the signal, speaker and power cables are not aligned parallel and close to each other.

Feb 26, 2010 | Audio Players & Recorders

1 Answer

Front End Noise, Chev Cavalier


It sounds like you have a bad c v or constant velocity joint. Look under the car next to the wheel look for a rubber accordian type unit, if the rubber is torn or lose the grease has escaped and damaged the joint. You can replace it yourself, but if your not mechanically inclined would say take it to a shop.

Mar 04, 2009 | 2004 Chevrolet Cavalier

2 Answers

Farting Noise


Do a more detailed search there is a solution but you will have to send it out to get repaired the noise is from when it goes on stand by...jensen is of no help

Aug 27, 2007 | Jensen JPS10 Subwoofer

4 Answers

Audio system makes extra noises... pops


Check all the wiring. It could be a loose connection since it's intermitent. Really pay attention to the power cable, both the end for the amp and the one that's going to the battery cable.

Sep 05, 2006 | AudioBahn A8002T Car Audio Amplifier

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