I brought my guitar to Mr. Jun Castro this morning to have my pickups replaced. Just by looking at my guitar he said that it had intonation problems (well of course it would have intonation problems, the strings were all rusty). He said that rusted strings should still be in intonation... this statement made me a tad worried (of course the rust would affect the "thickness" of the string, therefore affecting its "gauge"). But since my friend had high regard for him, I gave him the benefit of the doubt and told him to do everything that needs to be done to fix my guitar (aside from the pickup replacement he will be adjusting the trust rod since my guitar was a bit concaved, fret leveling for the slight string buzz in the high E string and intonation). Let's see how it goes
My questions is this: if a guitar is spot on in-tune in open, 12th fret pressed and the 12th fret harmonic, isn't the guitar supposedly intonated? I mean you can do all the measurements you want but IMHO "sounds good" is still better than "measured right". All the internets site I've researched in have defined a perfectly intonated guitar as having the same note in the open, 12th fret pressed and the harmonics at the 12th fret.
I've been intonating guitars since 1996 and to find out that my method is wrong was a complete shock to me. Meron ba talagang measurement ang pag-intonate? No, no I'm not putting Mr. Jun Castro's capabilities in any shadow of doubt, heck I left my guitar with him, but of course I also want to learn. I would like to think that keeping a guitar in perfect intonation should be something any serious guitarist should be able to do.
TIA guys!