Samuel,

For those soft acoustic genres I use almost nothing but the vintage preset in Ozone. I do it all in the mix, but still very little. Just a little light EQ.

You may want to Google TR5 Master Bundle by IK Multimedia. A different system. Virtual emulations of old school hardware racks. About 40. Kind of like an old school studio. Plus MasterMatch.

Check it out if you want complete control over every note.

If you are using real track acoustics in a sparse setting, you have to spend a lot of time finding the right EQ with module experimentation.

Most of the time I just mic my own acoustic if I am playing sparse. I wanna hear wood.