Oh yeah, thanks! That plot looks about what I would expect.I have posted a link to its on axis measurement on my previous post, except the mid peak it is otherwise similar to other 2-way loudspeakers of that time with non smooth directivity due to the lack of waveguides at the tweeter.
The problem with some accentuated regions is that you hear more details in that region but at the expense of details in other regions will be drawn more to background, similar to a magnifying glass which lets you lose the overview.
Most people I know including myself don't like the NS-10 voicing at all, it only sounds impressive at some instruments at that region like guitars but the rest sounds coloured.
I also agree most people don't care for NS-10 to much for listening. I have a slight bias towards mid-range, just my taste. I find a lot two-way speakers don't really get the midrange right, probably because of the challenges of crossing over there.
Edit: I think the mid-range focus also accounts for it's popularity for recording engineers, in that it makes it easier to work, subjectively, because of the "magnifier" effect in the mid-range. That region communicates the most information for most instruments, especially timing information.
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