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In Reply to: RE: Tekton Design Lesson posted by RGA on March 19, 2015 at 07:04:58
Hello RGA,
Yes, we did give Cerwin-Vega an RC award -- but you know what, the speaker deserved it. According to our reviewer, it offered tremendous value -- so it's only fair.
Your point about taking a bunch of measurements and correlating them is a very good one. Yamaha's NS10 is hardly the only speaker that more or less follows the FM curves. In fact, if memory recalls correctly, the Guru company used the curves as a basis for their designs.
Our database of measurements is linked below -- all the speakers were measured in a proper anechoic chamber.
Doug
Follow Ups:
all the speakers were measured in a proper anechoic chamber.
listen to music in such an environment? Any anechoic chamber concerts?
I understand the *isolation* objective, but it doesn't seem to provide good correlation to what we perceive in the real world. I'm sure my dipolar electrostats would measure dreadfully in an AC.
Hi,
This topic has been debated to death. There are those who have done extensive work correlating anechoic measurements with what we hear, and those who say, "We don't listen in an anechoic chamber." With that in mind, I doubt it will be solved here.
In any event, even if people see no correlation because the response charts and what is heard, there is still good information that all can find useful: impedance and sensitivity, which tell you ease of drive and power requirements; overall bandwidth; and distortion, which does tell a lot about whether a speaker is crapping out or not.
Doug Schneider
www.soundstage.com
There are those who have done extensive work correlating anechoic measurements with what we hear...
Clearly, they either ignored or never tested dipoles.
As for drive and power requirements, I usually rely on the manufacturer to provide guidance.
Hi,
Your choice to trust the manufacturer-supplied specs, but third-party validation is a good thing. We've found that sensitivity is almost always overstated -- usually by as much as 2-3dB, but we've seen up to 6dB!
Doug Schneider
I'm not a dipole man but in many ways you can't compare dipole efficiency to conventional speaker efficiency. Most of us don't listen as close as an efficiency measurement is made. And dipole loudness decreases linearly while more conventional speakers decrease with a square rule. So dipoles catch up as the listening distance lengthens.
We've found that sensitivity is almost always overstated -- usually by as much as 2-3dB, but we've seen up to 6dB!
Well, good for you. I haven't experienced that with the brands I use.
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