not sure if im supposed to post links or not to interesting/debatable things on the www but i just saw this and thought
"i wonder what the people over here would think/say about these"
Decware's Single Driver Horn
"i wonder what the people over here would think/say about these"
Decware's Single Driver Horn
there is allready a Thread about this here in FR Forum 🙂
http://www.diyaudio.com/forums/full-range/189818-new-fr-product-decware.html
http://www.diyaudio.com/forums/full-range/189818-new-fr-product-decware.html
Yup, I saw that too and was blown away by the claim - got pretty excited thinking that this may be the perfect one full range solution......until I realized how he claimed the 20-20hz.
UL
UL
Note that in the graph used to support the 20 Hz claim:
we are presented only with cuves of the terminus & the front of the driver separately, with no summed response. Sure the mouth may go to 20 as shown, but what is it's phase with respect to the front.
For instance on the terminus curve you can see a series of peaks (~120/240/480...). From 1 peak to the next the phase rolls thru 360 degrees, which will cause a corresponding set of ripples in the combined response. The same happens lower in frequency as well.
dave
we are presented only with cuves of the terminus & the front of the driver separately, with no summed response. Sure the mouth may go to 20 as shown, but what is it's phase with respect to the front.
For instance on the terminus curve you can see a series of peaks (~120/240/480...). From 1 peak to the next the phase rolls thru 360 degrees, which will cause a corresponding set of ripples in the combined response. The same happens lower in frequency as well.
dave
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