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15th October 2005, 07:38 PM
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#1 |
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diyAudio Member
Join Date: Dec 2004
Location: UK
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Rumble in a song making my woofers move stupidly
I was listening to a song and I noticed that my woofers were moving oddly - as in, moving in and out in the order of about 2 or 3Hz, roughly in time with the music. This was from an mp3. They sounded fine, they weren't bottoming out or distorting, although this concerned me so I turned off the song. Were my woofers enduring huge amounts of power for no reason? Was the actual amplitude of the rumble low but causing my woofers to excurt quite a lot due to its very low frequency? I'm really worried that their voice coils got unessecarily hot and somehow got damaged. I wasn't even listening at particularly high levels.
BTW The song in question was Michael Jackson - Don't stop 'Til You Get Enough |
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15th October 2005, 08:24 PM
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#2 |
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diyAudio Member
Join Date: May 2002
Location: London, Ontario
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get a subsonic filter
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15th October 2005, 08:26 PM
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#3 |
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Did it Himself
diyAudio Member
Join Date: Nov 2003
Location: Gloucestershire, England, UK
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The MP3 was recorded by somebody with a vinyl setup, and not a great one at that. Buy the album on CD and encode it yourself
__________________
www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more |
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15th October 2005, 08:38 PM
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#4 | |
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diyAudio Member
Join Date: Dec 2004
Location: UK
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Quote:
It sounded awfully clean for vinyl, but what do I know, I'm too young to have experienced proper records  Do you think my speakers could have overheated from this? I'm sure they would move more if I put, say, a 3v battery accross their terminals, and that's not an awful lot of power through 8 ohms |
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15th October 2005, 09:11 PM
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#5 |
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Did it Himself
diyAudio Member
Join Date: Nov 2003
Location: Gloucestershire, England, UK
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No they will be fine. If they are vented speakers the amount of power needed to make them shake like that is peanuts.
__________________
www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more |
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16th October 2005, 12:50 PM
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#8 |
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Did it Himself
diyAudio Member
Join Date: Nov 2003
Location: Gloucestershire, England, UK
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Beat me to it dj
__________________
www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more |
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