Sound problem

That's interesting d-2700 ... I wonder if changing the nut would do the trick.  I don't know much about these things, but there's a few guys here at Chordie that do.  I'd say you've probably come to the right place to ask!  Welcome to the forums!!

If you need immediate gratification, take it to a shop for a professional setup for the weight strings you want to use, and include a new nut (Tusq or bone would be really cool).   It could be something as simple as the neck being at a slightly wrong angle and needing a truss rod adjustment or a worn nut or bridge, all very minor.  But while they're at it, have them look for internal damage. 

Also, I don't like Martin strings.  Never have.  To me, they sound worn out and dull when you put them on.  I like new, bright, sharp strings.  It's a personal thing.  If you aren't so worried about immediate gratification, just try some different strings on it.  I'm a fan of D'Addorio strings and play around with the different kinds.  Some pro friends of mine won't use anything but GHS.  Still others like Ernie Ball.  And of course, there's a fair number of people who like Martin.  I'm just not one of them.  For fingerpicking the D'Addorio silk and steel strings are good, but SO loud for strumming.  I also like the Elixir nanoweb coated strings.  They seem to last longer and hold their tone well.  Play around with different weights too.  I usually use .11's or .12s.  In my opinion, .10s (aka ultra lights) sound weak and jangly on any acoustic.  If you're going for jangly, then go with .10s.  If you want a fuller sound, go with as heavy as you can get away with in your style.  For me, that's usually .12s. 

- Zurf

I’m really new with the guitar so any feedback would interest me as well.   I noticed the strings I just bought are slightly different
The strings on my guitar are Medium 12/53 The new one’s are  11/52 I haven’t put them on yet but Maybe that is the difference in the sound

All Tak's come pre-strung with D'Addario's. I'm using, from my last set-up, 12-53"s (EJ16 Light Phosphor Bronze). Never liked Martin strings Martin string as well as other brandsm but that's just me. If you are playing "amped" you might want to go down a little on the treble, up a little on the bass and adjust the mid's accordingly. Also, if your amp has chorus - turn it off until you get the sound you are looking for.

Nela