V8
I guess I did not notice before, due to being in the process of slowly sorting it out, or just accepted it as playing too hard. Low action, Fret buzz...
It does it with open string, as well as fretted at the last fret. Some opinions say nut problems can cause this, not sure how, but a quick peek at dip, action, and then running up over all the frets indicated the problem is not on the neck - I took a screwdriver and pressed it in front of the bridge as an artificial saddle, noise gone.
The shape of the saddle slots, the play on the posts, this thing asks for trouble. If I pluck the second string real hard, similar issue. Not planning to play like that.
One can hear a more "solid" tone from the other strings, as if the first string loses power? Damping itself.
I guess raising the action will mitigate it, but I have the action lekker low now. The long-term solution will be better posts, clamping the bridge, and re-profiling the slot slope angles, or tilting the bridge on the posts.
My one "presitge" Ibanez has a troublesome sound on the second string, and I know pressing the saddle around helps temporarily. But, shoving in a shim to stop sideways play of that saddle does not help. I shall now look at it with new ideas, it might be a similar break angle problem.
One PRS poster reported his issue was caused by a slight burr in the slot. Guess one should clean and check really well.
Cut your nut with enough slope at front, use string tees, cut your saddles with enough slope behind.