I agree; there's nothing special about the 12th fret.
Here's how I check/set the intonation:
- tune open strings to pitch
- fret a B chord at the 7th fret
- as you fret the chord, check/set the pitch of each individual string
This works especially well on a guitar with a floating bridge.
Does it have a one-piece neck, or is the fretboard a separate piece of maple?
I set up one of these with a one piece neck for a friend, and I thought the slim neck was great (though a little twisted).
I did not care for the neck pickup, the bridge pickup was adequate.
The bridge pickup was a...