Ito ang aking dalawang katanungan
1.) Gaano bang kalala ang malalang fret wear?
Just enough para magcause ng unwanted fretbuzz and dead notes on different areas ng fretboard at kung sobrang baba na talaga.
2.) Does fret wear affect the intonation of the guitar, and if so, how much does it affect the intonation?
Not so much, I guess. Fret buzz lang talaga kalaban.
Thing is, when the fretwire gets worn, uneven yan. Minsan sa earlier parts lang ng fretboard, tapos yung bandang dulo ay fresh pa. With that, baka mapansin mo na may fretbuzz ka sa earlier parts ng neck kasi sasabit sila dun sa mataas pang fretwires sa bandang dulo. Kung saan mas may play, doon mas may wear.
Mahirap din icompensate ang action pag worn na ang fretwires. Tataasan mo yung action para hindi sumabit on certain areas. Whereas on a uniformly leveled fretwire, pwede mo ibaba yung action to a better playability na walang sabit. Now, this is where intonation gets affected. Pag sobrang taas ng action mo dahil sa pagcompensate sa mga worn fretwires, doon na mag-iiba ang intonation. Yes, it is noticeable pag sintunado.
As for fret level versus refret, depende sa extent ng wear nung worn areas. Pag hindi naman super lalim pero may sabit (fretbuzz) na on certain areas, baka kayang habulin ng level. Pero do note na bababa considerably yung height ng lahat ng fretwires kasi hahabulin yung may pinaka malalim na worn area.
Pag sobrang grabe na ng wear, best is to have it refretted.