Question about Panasonic Shelf System (SC-AK630K) Shelf System

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Speakers When i listen to music i can hear a cracking noise from the subwoofer and i was wondering if the was a simple way to fix it or if i should take it to a professional.

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  • Anthony Villmow May 19, 2006

    Well when its at a certain volume then i hear it. its kinda like a buzzing noise, but everyone at my school says that its "cracking" and a friend of mine has the exact same problem with his too. ive looked at the speaker and it has no defects with it, its just that noise that it makes.

  • stephen333 May 26, 2008

    subwoofer makes a cracking nosie when the volume increase and sounds bad

  • ajrosethedj Jun 23, 2008

    I have the same problem with my JVC speakers, a "buzzing" sound or what have you if the volume goes beyond middle (9 or so on my system).



6 Answers

Yea i think what you are describing is a pinging/ringing noise. Attach new speakers like Bose to the system it goes away. Or just muffle the top tweeter with some kind of fabric between the grille and tweeter. It removes the pinging noise and the sound is much cleaner!

Posted on Dec 08, 2007


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I literally fried my CD player of this system and have the Sub woofer and speakers that are siiting around, you pay the shipping and I will send them to you. Karl

Posted on Dec 04, 2007


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In regards to your speakers "cracking", It is an internal problem. It will soon say "protect" on the display if you keep using it and after some time it will shut off by itself. I had the same problem with my system and I called them and they said it is a bad resister. It is not an easy fix and you will have to send it in to get fixed.

Posted on Apr 15, 2007

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It sounds to me like a ground fault. Try a ground reducer (you can get one at any hardware store, or radio shack for about 1 dollar) If it fixes it, get a good power conditioner (monster cable has a good one) if it is still there, then I would take it to a pro.

Posted on May 19, 2006

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Im not sure as to your complaint?? Is it like a grumble? or a type of vibration?? if its only present when the low frequency is present then i woud say that you had a bad suround on your low frq type driver?? if this is not the case then i would look into a parimetric eq as this couls solve your mproblems.

Posted on May 18, 2006

  • Anonymous May 19, 2006

    OK now that youve explained it a bit better its a componet thats starting to go bad as alot of solid state devices will do just before the go out they will start making noise like static type noises. The only thing you can doif your a technician is when this unit starts to do this noise spray a small amount of freeze spray on the suspected componet. Now it your not a tech there really isent much you can do as your gonna need the proper equipment to service these units but these systems have no user serviceable parts inside so my advice would be for you to take this unit into a repair shop for an estimate. Good Luck


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Yep try plugging it into a separate wall socket don't use extension cords or a power bar.

Posted on Jun 24, 2008

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