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Do supertweeters matter when we cant hear past 15,000 hz?

So I have read that studies of the brain have shown that frequencies above audible are still somehow processed and generate a sense of ease, well being when associated with musical playback. As in somehow the range far above hearing is stimulating a  part of our brain, (or god knows what nuerons) that associates with a natural pleasing sound. Anybody read of this phenomenom? I see some of these supertweters extending to ridiculous highs and wonder if they do this just becauser the design allows for it or are they trying to market this broad range as somehow better. I know I cant hear above 15khz and i doubt most men here above 40 can either. I know a supertweeter helps with the audible high end but what gives with promoting a range to 65kz?
128x128veroman
don_c55
1,025 posts
 
The Magnepan ribbon tweeter and Stax SR009 headphones go to 40Khz, and do sound noticeably better than those that do not, IMO.

So my answer is yes!

Better, lower distortion high frequencies. in the audible range.

Frequency response with sine waves, is different than musical wave forms
georgehifi's avatar
georgehifi
10,312 posts
 

I have a pair of MP-02 Plasma tweeters that I sometimes use in summer (windows open) that I believe are capable of going to 100khz

I cross these over (3rd order) to my ML Monolith III’s at 12khz, and yes you can hear the difference, if I had to explain it’s sound, it would be an extended delicacy, with more air there, you can really notice it on harpsichord it just floats in front of you, like you can reach out and touch it.


Cheers George

geoffkait's avatar
geoffkait
23,365 posts
 
The ones you really have to watch out for are the Ultra Tweeters, you know, the ones with frequency over 1 GHz. I.e., no frequencies below 1 GHz. Whaaaaaat?
ebm
9,311 posts
 
Of course they do!!
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