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Definitive bp 7002 subwoofer making a crackling sound

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pjstanley
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SOURCE: subwoofer

ok u got a bad ground move the ground to some where else and scratch the paint a little bit to u get down to bear metal

Posted on Sep 26, 2008

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1 Answer

Sony sa-wm500 subwoofer is crackling


If the sound is a scratchy type of sound then the voice coil has been damaged and is rubbing up against the internal magnet producing the scratching and low sound since the cone is barely moving;.

May 19, 2015 | Sony SA-WM500 Subwoofer

1 Answer

Dell xps 15 L501x sub woofer giving crackling sound


hi you can detached or disconnected the subwoofer cable, for temporary or permanent fix, as the speaker sound also produced good quality sound..

here how i disconected the subwoofer cable, it easy to find at the bootoom, see also utube video inside the link given below

http://atozcs.net/dell-xps-l501x-subwoofer-produce-distorted-crackle-sound/

Aug 09, 2013 | Dell Xps 15 L502x Subwoofer Speaker Pn57g

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

How do i know if my sub is blown?


The sound (if it makes any) will be distorted and garbled. Keep in mind that subs require amplification. If you are testing the sub without an amplifier you may or may not hear distortion because the radio by its self can't make the sub perform properly, if it has to low of voltage it may crackle because its not recieving a strong enough signal, if it is blown it may not crackle for the same reason

Sep 25, 2009 | AudioBahn AW100T Car Subwoofer

1 Answer

When subwoofer auto powers off it make a big crackle sound from speaker. like it gets a backfeed or something


Bounds from the switch disconnecting. It really throws electric charges around that take a little bit to dissipate.

Sep 20, 2009 | Yamaha YST-SW315 Subwoofer

1 Answer

Crackling noise from subwoofer????


sgangsta91,

i think your speaker cannot support the sound that your computer produce. it means to say that, they are not compatible. specially when your computer sound interface that you used is 5.1 or 7.1 interface but your speaker specs is only for generic sound, you really hear a crackling sound and more if you set to higher volume.

but it can help if you only set your computer interface to generic sound or set only in lower volume it can help. because if you continue that way, your speaker can be seriously damaged that even at the lowest volume can hear the crackling sound.

or if you really want a fine good sound system then, buy a speaker that can interface with 5.1 or 7.1 or see manuals of your computer/motherboard. for recommended specs

aclamonte

Nov 07, 2008 | Logitech X-220 Computer Speakers

1 Answer

Subwoofer


ok u got a bad ground move the ground to some where else and scratch the paint a little bit to u get down to bear metal

May 21, 2008 | Kicker CVR12 Car Subwoofer

1 Answer

Polk subwoofer making crackling noises


Yea, now its time to replace it! the magnetic effect is weaken which makes the very bass low frequency sound to be distorted! You should re engergise the magnet of the subwoofer or should buy the new!

Dec 08, 2007 | Infinity BU-120 Subwoofer

2 Answers

Crackling sound when changing channels


Check the connections to the speaker and the receiver. Had a loose connection once that did the same thing.

Apr 15, 2007 | Definitive BP7001SC Main / Stereo Speaker

1 Answer

Crackling Sound From Subwoofer


Check any wiring coming or going to the subwoofer. It sounds like it could be a loose connection.  Is there a LFE or bass boost knob on your subwoofer? Does turning that up/down cause the crackling (if it exists). If so, you could use some tuner cleaner to clean the contacts on the potentiometer knob.

If the crackling is on the subwoofer only, it might be damaged from bottoming out.  See if you can remove the baffle or grille covering the woofer and inspect for visual problems. You can also try to lighly push in and out on the subwoofer to hear if it makes any scraping sounds. If so, it is definitely damaged and the driver will have to be replaced.

Mike

Jan 21, 2007 | Altec Lansing 221 Computer Speakers

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