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In Reply to: RE: A couple more thoughts on "voicing" and "personality" posted by Brian H P on August 18, 2015 at 11:30:31
I like your term "intriguing," rather than the term JA used, "surprising." Why would JA be "surprised" that a reviewer enjoyed a speaker that didn't measure the way JA thinks it should? As mentioned multiple times in this thread, it happens all the time, and there's nothing wrong with that.
I'd also like to comment on some of the IN-ROOM speaker frequency response measurements that JA has published in the past. I think these are fascinating in that, in just about every case, when two even vastly different speakers are compared in-room, the graphs seem to track each other almost perfectly. I would say we are seeing a frequency response graph of the room, just as much as the speaker.
I've also noticed that in JA's room, there is a frequency bump at 50-60 hz and a drop-off at 40 hz with just about every speaker he tests there, then a rise again at 30 hz. Based on the Stereophile Test CD test tone track, this is the same type of response that occurs in my room. Perhaps this is more common than not?
Edits: 08/18/15Follow Ups:
And the second most important is whether the amp is well-suited to driving the speaker in terms of its electrical load and back EMF.
I don't think that there is any question that having flat measured frequency response is one desirable characteristic for loudspeaker performance. But it is not the only one. The character of the dispersion is important, and the presence or absence of distortion is important.
I think that it is a respectable position (I did not say it is the majority position) that phase coherence in the crossover region is so important that if in order to maximize that in a particular design at a given price point, flatness of frequency response might have to give way.
I have heard at least one loudspeaker that claimed to measure flat anechoically that could be problematic in real-world rooms, with the result that the speaker was tri-amped with active crossovers... which I am sure were meant to be used.
I am not a loudspeaker designer. However, I think that I have a fair amount of experience as a listener, and some of my recordings have found favor. I wish that I could say that the sum total of all the wisdom I have gained since 1966 or so could be expressed as: "Buy a loudspeaker with the flattest quasi-anechoic measurements you can find, and live with it and be happy regardless of what your room is like," but that is not the case.
Which is why I am a big fan of room treatments, which I last dealt with at the attached link.
ATB,
JM
Those diffusors make me dizzy ............ yeow
I really like those concentric circle diffusors. Maybe for the next project, I'll be spending a LOT of quality time with my router!
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