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29th April 2012, 12:54 PM
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#1 |
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diyAudio Member
Join Date: Apr 2012
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Sub-woofer producing buzz instead of Bass
I have a 2.1 Audio System. Since a few months the subwoofer is producing a buzz noise Instead of giving bass. It is happening if i increase the bass. At a loww bass level it is fine. But if i increase bass beyond 25% then it starts buzzing. I attached a clip of what it sounds like at high bass (50%).
Any pointers on what the problem might be. I can post pictures of the circuit inside if required. |
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29th April 2012, 10:02 PM
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#2 |
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diyAudio Member
Join Date: Nov 2003
Location: iowa
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um, your sub is toast. You probably have some thrown voice coil. The driver just has to move far enough to get it to rub.
Norman |
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30th April 2012, 02:40 AM
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#4 |
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diyAudio Member
Join Date: Dec 2009
Location: chengdu china
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Maybe the voice coil rubs the iron around it.
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30th April 2012, 02:51 AM
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#5 |
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diyAudio Member
Join Date: Feb 2010
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 I had the same issue on one of my 8"s and found this |
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30th April 2012, 03:39 AM
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#6 | |
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diyAudio Member
Join Date: Jan 2008
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Quote:
That's a shame, appears the voice coil glue to former joint can't take the heat, the voice coil is not "cooked" at all. Quite a long voice coil, what model 8" woofer is that? Art |
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30th April 2012, 09:32 AM
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#7 |
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diyAudio Member
Join Date: Feb 2010
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Skar vvx8", it's rated at 400rms but I have an audioque 3500 at .05 on 8 of them. Great little subs but when you test there limits you find the weak ones quick lol. Good thing I have back ups :-)
Here some woofer porn, I know every one likes a little air movement ;-) http://www.youtube.com/watch?v=zHle-...e_gdata_player (this video is before I put the audioque on) |
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1st May 2012, 12:58 PM
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#8 | |
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diyAudio Member
Join Date: Jan 2008
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Quote:
Plenty of car shake, and perhaps the most horribly distorted video I have ever heard  .
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1st May 2012, 01:17 PM
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#9 | |
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diyAudio Member
Join Date: Feb 2010
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Quote:
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1st May 2012, 05:51 PM
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#10 |
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diyAudio Member
Join Date: Apr 2012
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So can it be repaired or not? If yes then what should i be looking at?
Thanks for your answers |
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