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Forums › Home Theatre (incl HTPC) › Can a sudden burst of loud sound damage speakers?


299 posts

Ultimate Geek
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Topic # 30378 5-Feb-2009 23:32
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I have a Denon AVR 586 and Denon SYS-56HT speakers.

I was flicking through the TV channels (freeview HD box) and the Freeview HD demo channel had way louder sound than anything else - it was quite startling.

Can this sort of abrubt change in volume damage speakers?

These are the speakers I have:

http://www.denon.co.uk/site/frames_main.php?main=prod&ver=&MID=3&sub=1&fill=1&action=detail&Pid=259&




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Infrastructure Geek
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  Reply # 194399 6-Feb-2009 00:12
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sure its possible but i'd like to think that its less likely on the higher end gear.  It tends to be more of a problem when you have an underpowered amp powering speakers (i.e. sending more distortion at higher levels).

do your speakers sound different, or are you just concerned that something may have happened?




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299 posts

Ultimate Geek
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  Reply # 194450 6-Feb-2009 12:02
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I am notif they sound different. Later on that evening we watched "The Invasion" (Nicole kidman in a remake of the Body Snatchers) and I found that we had to turn the volume up a lot higher than we usually have to with movies (to around -6 rather than usually around -10 or -12). Even then I didn't think the Dolby Digital output was particularly good...

Could just be that movie maybe?




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  Reply # 194456 6-Feb-2009 12:42
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Quite likely just the movie. I have found movies often have quite different requirements for how high the volume has to be set.

Also unless a speaker has stopped working all the gether (should be easy to work this out) then any damage is more likely to cause distortion rather then lack of volume. Just make sure you are still getting sound out of each of the speakers and it is not missing part of the signal ie high or low sounds.







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  Reply # 194489 6-Feb-2009 16:46
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casewindow:
Could just be that movie maybe?


Maybe this could be an excuse to turn up to friends and neigbours to "test out" their stereo system :D

You might even be lucky and be able to reproduce the effects on different or similar hardware :D




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299 posts

Ultimate Geek
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  Reply # 194493 6-Feb-2009 17:08
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I ran the speaker test & sound came out of each of the speakers as I chose them. Can't tell if any sound is missing though? The static sound seemed to be the same from each.




Q6600 @ 3.2Ghz (400x8) | GA-X38-DQ6 | 4Gb Corsair Dominator@800Mhz 4-4-4-12 | HIS HD5870 | Creative X-fi Fatality Pro | 2xWD SATAII Caviar Black 640Gb / 1xSeagate SATAII 7200.12 1000Gb | 2xASUS IDE DVDRW | Silverstone OP1000 PSU | Silverstone TJ09 Case

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