You're truly gifted if you have perfect pitch.Well...I have not used a pitch pipe, electric tuner, or any other form of help to tune my guitars. I play by ear and can tell by ear where my strings are at when tuning them. The "pitch" tuning fork is nice for those whom need the help. as I am aware being able to tune a guitar by ear, is not every day guitar players as ordinary players, takes time to learn notes exactly by ear.
Me...I ain't that lucky.
I'll keep my tu-2 till it dies.
then I'll get another