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Subwoofer outputs cracking noise - Polk Audio PSW110 Subwoofer

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Loss power and makes noise when playing


Hello,

Well this is a common issue with this mackie design, the 90% of this report comes out of a cracked output Mosfet's pins or Coil at output section, let me know further to help more.

Oct 31, 2013 | Mackie HD1801 Powered Subwoofer (1600...

1 Answer

Polk audion psw250 subwoofer has humming noise


Humming noise on your sound is not due to your speaker but it is come from the amplifier. I've encountered a lot of this problem that is caused by the electrolytic capacitor. If you are a technician first locate for a dry joints on the board and then resolder it using your soldering iron and a high quality soldering lead. Resolder not only the capacitor but also around the output I.C.
If nothing happen then it is coming from your output I.C. sometimes it was leaky/shorted which produces a humming noise but first do the the above mentioned instructions before isolating the defective output i.c.

Jan 03, 2011 | Polk Audio PSW250 Subwoofer

1 Answer

The sound on one of my speakers is breaking up and crackling terribly, especially on songs with more bass. What can I try?


try to exchange your left and right speaker to confirm. where the cracking noise come? it could be from speaker or your amp itself. 1.if after exchange speaker, it still happen on same speaker then is your speaker already damage could be the cone edge or the coil.
2.If happen on same side from your amp, then that channel output is damage from amplifier.

Nov 16, 2010 | Acoustic Research 215 PS Speaker

1 Answer

Humming noise about 3 years old . Just one day hummmmmmmmmm.


It is a problem with output level-defect probably,output IC or output transistors,capacitors etc..

Nov 25, 2009 | Cerwin Vega HTS15A Subwoofer

1 Answer

Rattling sound with any significant base output


You either ripped your voice coil, or you have something jumping around inside (Screw, nail, etc.). You can tell of a blown speaker by pressing straight in, and if you hear a rubbing noise, then your speaker has disconnected from your voice coil. Mickey mouse jobs include Krazy Glue, but It's touch and go

Sep 02, 2009 | Sunfire True Sub Signature Subwoofer

1 Answer

Humming noise when woofer turned on


check the NPN and PNP transistor output maybe shorted.....

Jul 07, 2009 | PSB Image Sub Sonic 6i Subwoofer

1 Answer

Subwoofer does not play at full power


Sounds like you have an amp problem.

The only place to get this fixed is Velodyne.

Apr 09, 2009 | Velodyne SPL1000R Subwoofer Speaker

1 Answer

JBL PB10 subwoofer, it makes a loud burp noise when it comes on.


In the industry - It is called "Turn-On Thump".

There are some manufacturers that eliminate components like noise filters on enry level lines to save money.

There is no way to lessen this noise without ripping the amplifier apart and having a technical knowledge of the way amplifiers work. It would involve hard-wiring a slow charge capacitor in the turn on line so it gradually builds power instead of getting it all at once.

Thanks for using FixYa - a FixYa rating is appreciated!!

Feb 10, 2009 | JBL PB10 Subwoofer

1 Answer

Bass in Car Gone, i don't know why!!!


Does the amplifier power up? If so, then check the voltage at the outputs...sounds like the outputs fried. Also, check the RCA cable to make sure it is getting a signal to the amplifier.

Jul 08, 2008 | Pioneer TS-W301R Car Subwoofer

2 Answers

"cracking" noise


Your subwoofer is not capable of playing as loud as you want it to. That sound is the woofer reaching its limit. If you have any bass tone setting on your receiver set them to flat. If there are any other bass settings i.e contour, loudness boost etc turn them off. You can also try putting the woofer into a corner. This will increase the output. Closer to you would also be louder. Otherwise you need a sub with more output. Don't let the power rating fool you when you get a new one.

Aug 26, 2007 | Acoustic Research ARS108 Speaker

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