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Originally Posted by markl
I don't know how much I trust the numbers 20-20KHz of course that's *exactly* the range of human hearing, is it based on real numbers or just pulled out of Sony's butts in 1989? It kinda sorta looks like almost a generic sort of place-holder marketing spec sheet number, not something they heavily tested and measured. Also, if you're willing to rate your speakers/headphones at + or - 10db or some ungodly number, you can get some very impressive, stretched out exaggerated numbers. I wonder how Sony achieved those rated response numbers for the Qualias.
To me, the extreme frequency response rating of the Qualia sends up a little red flag. How much resolution can it deliver in the middle, in the frequencies where it matters if the driver has such an outrageous frequency response. Is that extra extension up top achieved at the expense of the yummy mids of the R10s? Is physically less of the driver devoted to delivering the frequencies we can hear to get those pumped up numbers for the highs we can't hear?
That said, if these numbers can be achieved in a single-driver piece like the Qualia, *without* compromising frequency response/resolution/tone/timbre/weight/expressiveness where it counts in the middle, then yes, hooray for the breakthrough! If not, then boo-hiss for tweaking the driver to give impressive specs rather than a delicious listening experience.
God, the anticipation of the Qualia is killing me...
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Well markl, first 20-20 is not exactly the range of the human hearing, it is a media based on statistics, some people even hear less, and a few others far above that, but this is also true, that this numbers were published by the same company, and on the same category of products. Both for a high end headphone, I'm assuming that both reflect the reality "in some way" the same way. I do believe that both were measured, as both were in their respective release times, a new product and with new materials on diaphragms, so they should measured the freq response at some point, nobody is going to release numbers, in a manual, and in an official document, of a high end product, of that price tag, without a measurement that back them up, that is silly.
OTOH, if one was distorted, I'm assuming the other was distorted the same way, as both were made by the same company, but again, those are just numbers, at the end as you wisely stated, the ear is IMO (and I hope in yours), the final and more refined instrument that will give you the truth of the sound quality...But there is also other companies (Grado, Sennheiser, Beyers, AT, AKG, etc..) that offer different numbers, above that 20-20, so I don't think that the 20-20 is "a media" that has to be followed blindly while making any reference to a human hearing.
Honestly I do not believe that after that long time, they will show up, and develop an inferior product, considering that there is also a few others in the market already released, that at that time (R-10's 1989 era), did not exist, it should be really stupid from them, but who knows??? Let's wait for the final test, the "listening test"....And I'm, not saying that it will be or not better than the R-10, maybe it is not, but we have to wait till someone listen them, wanna pull the trigger???