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<blockquote data-quote="squeak9798" data-source="post: 738513" data-attributes="member: 555320">Damping Factor; It depends on where it was rated......they might have rated the DF on the DEI while running it @ 1ohm (DF decreases as impedence decreases), rather than 4ohm like most other amps would.Regardless, DF is a rather insignificant spec: <a href="http://www.zedaudio.com/NewPDFs/ZedManual-GREYSCALE.pdf" target="_blank">http://www.zedaudio.com/NewPDFs/ZedManual-GREYSCALE.pdf</a> - Read page 9 (technically page 6 if you look at the page #&#039;s on the pages, but it&#039;s page 9 of the document).&nbsp; Then proceed to read the rest of the manual.&nbsp; That is by far one of the best written owner&#039;s manuals I&#039;ve ever seen //content.invisioncic.com/y282845/emoticons/thumbsupwink.gif.129404938effda6ad9cca39e7f4b58a3.gif&nbsp; Lots of good info in there.As to the THD;&nbsp; If you or BCONNELLY thinks you can hear a difference between amp THD levels, then you both have super-human hearing.&nbsp; 1)&nbsp; The sub itself will distort WAY more than any amount of distortion produced by the amplifier.&nbsp; 2)&nbsp; Most people can not detect distortion in the subbass region until it reaches approximately 10-15%.&nbsp; As you can see, that ~1% THD difference in amplifier THD levels (which is still within inaudible ranges anyways) will be even LESS noticeable due to the sub itself and our insensitive hearing abilities.</blockquote>

[QUOTE="squeak9798, post: 738513, member: 555320"] Damping Factor; It depends on where it was rated......they might have rated the DF on the DEI while running it @ 1ohm (DF decreases as impedence decreases), rather than 4ohm like most other amps would. Regardless, DF is a rather insignificant spec: [URL="http://www.zedaudio.com/NewPDFs/ZedManual-GREYSCALE.pdf"]http://www.zedaudio.com/NewPDFs/ZedManual-GREYSCALE.pdf[/URL] - Read page 9 (technically page 6 if you look at the page #'s on the pages, but it's page 9 of the document). Then proceed to read the rest of the manual. That is by far one of the best written owner's manuals I've ever seen [IMG]//content.invisioncic.com/y282845/emoticons/thumbsupwink.gif.129404938effda6ad9cca39e7f4b58a3.gif[/IMG] Lots of good info in there. As to the THD; If you or BCONNELLY thinks you can hear a difference between amp THD levels, then you both have super-human hearing. 1) The sub itself will distort WAY more than any amount of distortion produced by the amplifier. 2) Most people can not detect distortion in the subbass region until it reaches approximately 10-15%. As you can see, that ~1% THD difference in amplifier THD levels (which is still within inaudible ranges anyways) will be even LESS noticeable due to the sub itself and our insensitive hearing abilities. [/QUOTE]

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