I've been playing bass, as an amateur, for a number of years and could perhaps say that I have some experience with gear. Yet there is - or I think that there is - currently an issue with the E string on my Pbass strung with 7250s (45105) nps roundwounds. For some strange reason memory doesn't serve me in that respect, so I just can't remember what the case was with other sets of strings and would want to postpone changing them for the time being. The issue is: past approx. the 9th fret the sound of the E string tends to become a one dimensional thud, like the string has lost its elasticity and ability to vibrate. It stays in pitch but the note sounds like a brick, if I may so put it. It makes sense, of course, given that the string is getting shorter and it's a fat string at that, hence less vibration, hence a duller tone. But how much is too much? Are there some types/brands of roundwound strings where this phenomenon is less pronounced? Am I fixated on a non-issue?