Gotta agree with Spaw and Michael.But........we're talkin' "Acoustic sound" here. When you get before a microphone, all bets are off. Michael's 1950s D-28, is one of the best sounding guitars I've ever played, and would be a bluegrasser's dream....even for recording (with the old style, "distance miking") and especially for onstage with "old style group miking"
With the modern studio "very close miking" style of recording, there are simply too many "overtones" and way to much volume. It sounded muddy. Not the guitar's fault..just the way things are recorded today.
This is why some of us feel we need more than one guitar. If I'm playing ragtime, I love my little 1950 0-18, but for bluegrass...gotta be a big one. Now that "All around" guitar? THAT'S the hard one to find.
Rick