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Old 01-31-08, 09:42 PM   #5 (Link)
 
WmAx
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Alias: Chris
Loc: Virginia, USA
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Re: High efficiency hi-fi speakers, DIY suggestions?


Quote:
DS-21 wrote: View Post
While the second point is undoubtedly true, and it makes the bigger stuff look that much better, because it's operating so far under its limits at any non-dangerous SPL.

However, really high power isn't really required. Keep in mind that a 96dB/w/m speaker will have identical SPLmax to a typical 86dB/w/m 7" 2-way bookshelf with 1/10 the power. So if 700W are needed to meet one's SPL needs from the latter, 70 will suffice for the former. And of course, the 96dB/w/m system will be far more linear at those SPL, with less power compression, etc.
I typically target a 90db minimum sensitivity range. The problem is that not many mid band drivers with the most desirable CSD and axial radiation patterns combined will be very high sensetivity. But no worries, modern good quality drivers have far more than sufficient linearity vs. spl to be used for high fidelity situations, when used in an intelligent design.

-Chris


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