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DVDPlaza Subwoofer Tests Round 3

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3 replies to this topic

#1 of 4 Ilkka R

Ilkka R

    Second Unit

  • 270 posts
  • Join Date: May 19 2004

Posted June 26 2006 - 03:12 AM


The results are up, enjoy. Posted Image

#2 of 4 KenWA



  • 28 posts
  • Join Date: Dec 14 2004

Posted June 30 2006 - 07:17 PM

Whew, what a lot of work! Posted Image Thanks for your contribution!

Perhaps you could answer a question for me. There's something that I don't understand about the graphs of Harmonic Distortion % by Component. How is it possible that, in I think all the tests I've read so far, the second (and sometimes other) harmonic % curve is higher than the THD % curve for the same drive level, even accounting for frequency response and power compression? In some cases, the H2 or H3 measured distortion seems much higher than THD. What is the relation between the Harmonic Distortion % by Component graph and the THD graph exactly?

Thanks in advance for the explanation!

#3 of 4 Jack Gilvey

Jack Gilvey


  • 4,952 posts
  • Join Date: Mar 13 1999

Posted July 01 2006 - 12:03 AM

Maybe it's due to the weighting?


Here's an explantion from Ed Mullen:

SVS Customer Service

#4 of 4 KenWA



  • 28 posts
  • Join Date: Dec 14 2004

Posted July 03 2006 - 05:48 AM

Thanks for the reply. I see there's more discussion of this on another forum, so I'll follow the thread there.