Question about Harman Kardon HK19.5 Computer Speakers

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Constant poping sound

When you turn the speakers on there is this continuous popping noise. you can here audio from whatever your doing but that popping noise is always there. I'd also like to know the parts list for these speakers. I need new power/volume and treble adjusters

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Here is the support section for Harmon Kardon

I don't know if there supported anymore but you might be able to find what youre looking for on EBay. You could try plugging the speakers into a seperate outlet and see if the noise is caused by electrical interferance. Make sure your microphone is muted if your not using it. It might be time for a new pair of speakers too.

Posted on Jul 23, 2008

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Posted on Jan 02, 2017

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My right speaker isn't working...


If you hook what is now the left speaker does it work on the right hand channel? If not the cable to it is defective or the connections or the Amplifier is defective.

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Subwoofer makes noise like an untuned TV regardless of volume knob


I would suggest your crossover unit has failed in the speaker cabinet. The crossover circuit board separates the low and high frequency content of your stereos audio signal. The low frequencies go to the bass unit (woofer) and the high frequencies go to the tweeter speaker. If the capacitor on the crossover goes open or near open circuit then noise is introduced into the sound system. Replace either the capacitor or crossover unit.

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Bose Companion 3 Speakers make a popping noise.


No solution i'm afraid. But i have the exact same problem. Terrible cracking interference. Unplug everything else in the house and they still crackle. Very annoying. Decided to buy a new woofer on ebay as that seemed to be the problem with possible faulty switch, but the new woofer has a different connection for the volume control. Incredibly frustrating. If you have any luck let me know. Bose want eighty quid to repair...

Jan 31, 2013 | Bose Companion 3 Computer Speakers

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Ther is a popping sound on my speakers that does not change with the setting of the volume level. It sounds like discharge noise and is constantly the same level. Is there anywhere I can get a schematic...


what you are geting is called "Line feed" sound, happens then the boardboard is not grounded right on the motherboard inside your computer. It's a screw loose next to the sound card/hub. Also might be other wires touching in the back of your computer next to the, line in audio jack.

Wish you the best of luck

P.S. you sound you hear will also be heard on other sets of speakers.

Permit Fix: Buy a sound card like this and have it installed.
http://www.newegg.com/Product/Product.aspx?Item=N82E16829102003

Best of luck

Aug 26, 2011 | Altec Lansing ACS 52 Computer Speakers

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I got the companion 3 computer speakers over a year ago and never had any problem until today. the speakers have all of a sudden been making a constant low feedback sound. i disconnected them from my...


try replacing the input cord between the speakers and the computer. the scratching noise normaly comes from a faulty connector. if that doesnt work you may have dirt or dust in contact with the speakers cones or there is an amplifier issue

Jan 29, 2011 | Bose Companion 3 Computer Speakers

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I have no sounds on my laptop and the same time I have a constant noise coming from the speakers.


you might have to uninstall then reinstall the sound drivers
if your computer came with a motherboard disk the drivers could be on it
control panel sounds and audio,volume you can adjust the volume or advanced,speakers select appropriate speakers or audio you will find 3 drop down lists make sure you have selected the right speakers or control panel,administrive tools,computer management,device manager scroll to sound,video and game cotrollers could be a yellow question mark? right click to re-install drivers
hope this helps

Dec 27, 2010 | Toshiba Audio Players & Recorders

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My computer speakers are popping and cracking.


Check connecting and Volume settings. Speakers might be blown. This happens when high volume is played and speaker tears causing a poping and crakling sound

Mar 24, 2010 | Altec Lansing Multimedia Computer Speakers

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Dell speakers making a poping noise


may be problem with correct socket

Mar 14, 2009 | Audio Players & Recorders

2 Answers

Speaker popping when computer is on or off.


I use to get that same sound but only when I first booted up.
Is this only happening when you have the volume up and does it happen if you turn down the sound all the WAY not off
Your MIC could be enable and on boost level.
If you sound is popping from the music or other source is it from all the speakers???
I can try and help

Aug 28, 2008 | Altec Lansing AVS 500 Computer Speakers

1 Answer

Noise from speakers when playing basses


Hi,

Offhand, could either be the subwoofer speaker itself or the electronics (amp and/or crossover). One way to determine is by physcially checking the sub speaker. When playing with bass on, pls try restricting speaker movement by pressing on it and see if the noise is reduced. Another is to temporarily replace the speaker. You can try speakers meant for the car, home entertainment or book shelf, just dont set the volume too high.

If the speakers are ruled out, then it would be the electronics inside. For this, you would need familiairty with electronic components and circuittry, a DVM and a soldering iron. Access to an oscilloscope and an audio signal generator would be nice but not a necessity. The idea is to inject a constant audio signal and determine where the noise (if electronic) is coming from. In most instances, it would be a leaky electrolytic capacitor either in the input stage or feedback loop. At other times, it would be also a capacitor in the band pass filter.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jul 28, 2008 | Audio Players & Recorders

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