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I think my complaining against HF might be understood as my position in opposition to HF in generals. There is nothing could be further from truth. I am a strong supporter of excessive bandwidth of electronics and acoustic systems. I do not min if a playback has 100kHz or higher bandwidth, in fact I do appreciate is very much. I feel that we need 10x times bandwidth over out listening threshold, that would make 200kHz, to render auditable HF transients properly. The higher bandwidth the lower phase anomalies - no one against it. Still, there is a difference about the capacity of playback to do the things and the playback that plays 35kHz at 0dB. It is about moderation, balance and how the capacities are used and here is what most of the today loudspeakers/people are senseless.

unicon wrote:

I dont know why i dont hear the phrase high resolution or linear MF band >?(100-500hz for sure).Our ears cant easily distinguish diff between 15khz to 16khz( and we hardly can hear more than 16k ) And yes we can distinguish 1hz FQ shift when it comes to 300hz so why no high resolution MF ?

Yes, our perception has kind of reversed logarithmic scale for tone resolution, so what. Do not forget that a Hertz is an abstract mathematical measurement that has to do with length of wave and a number of complete cycles per a time measurements, a second. We define artificially what second is and what a full number is. Those definitions not bind to our perception. I can give you a dozen examples when Hertz very much loops own identity. I would not even need to go into the Special Relativity examples…

unicon wrote:

And yes we can distinguish 1hz FQ shift when it comes to 300hz ….

It is a bit off the topic but if to look deeper then it is not. Pay attention that we can distinguish 1Hz of frequency shift at 300hz… but ONLY in context of relevancy of those 300Hz to a something else. We cannot differentiate 1Hz as an absolute value. Can we differentiate “A” between 440Hz and 441Hz? Yes we can but can we identify a tone as 441Hz without hearing it referenced to 440Hz? Absolutely not!  A Hertz as an abstract mathematical measurement has no fundamental presence in our perception. When we operate by Hertz-scale we operate by just a conventional description of Reality, not by the Reality itself.

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