Quote:
Originally Posted by Patu 
My own experiences tell me that usually the main reason for sibilance is the headphone itself. Those two headphones which I've found the most sibilant I've tested with several rigs and the results were pretty much the same with all of them.
Then again there are many non-sibilant headphones which I've heard with even more rigs and they've never been sibilant (even many headphones which are considered very bright sounding). So I blame headphones for sibilance.
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Quote:
Originally Posted by Hirsch 
If you have a system in which the headphone is not sibilant, then odds are that the sibilance is coming from somewhere else. If you only test in one rig, you have no way of knowing where any of the sonic effects are originating. You need to keep in mind that in the end you are listening to a system, not a component of that system. The same rig that sounds sibilant with a Denon may not sound sibilant with something else...
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I choose to refer to phones with this trait with the term "revealing" rather than the phone being "sibilant"...Sibilance is an 'effect" of a revealing phone IMO....
It seems to be a trait of phones with bumps in their freq graphs in their upper midrange and their high freq as well as being highly extended in their upper treble, revealing of the source and recording. Such as is the case of the 990s and to a lesser degree the k701s , both of which I own and have seen / heard to be transformed by my evolution to better sources and amplifiers. Concluding with their near perfection now mated to the Corda Opera...
Again, I am encouraged to know the AH-D-x000 have the extention enough to be reported to be slightly sibilant on at least some source amp combo
