I have a Martin HD28 (the scalloped bracing means more low end than the D28), and a Shure KSM 27 for recording voice and guitar simultaneously. My $200 Yamaha sounds better than my $2000 Martin with this mic (but doesn't compare live), though the mic does a pretty good job for voice. I've even tried recording the guitar alone with the mic at a variety of locations (12 fret, bridge, etc), and distances (2" to 3-4 ft), but I can't get a clean, natural sound, none of that rich wood sound a live Martin produces. Do I need an additional mic, or do I need to sell the KSM 27 and start over? I could spend about $400 (maybe 500 if absolutely necessary). I'm recording with a Korg D1200 with phantom power. I'm desperate! Thanks for your help.