1947 Martin 000-18

Introduced in 1934, the Martin 000-18 combines a playable 24.9" short scale with a comfortable mid-size body to deliver warm, balanced tone steeped in subtlety and richness. The 14-fret 000 body is essentially a medium-size—it produces a bigger sound than a parlor, but it is considerably more comfortable on your lap than a dreadnought. The construction of a 000-18 is straightforward: a Spruce top with Mahogany back and sides.  While the 000-18's specs haven't varied much since the early days, there were a few noticeable changes along the way. In the early '40s, the slimmer 1-11/16" nut width took over, and in 1946, Martin changed from Adirondack Spruce to Sitka Spruce. But perhaps the most impactful change for the sound and the feel were the evolving bracing designs inside the guitar.  The original 000-18 had scalloped X-braces that were closer to the soundhole (forward-shifted). In 1939, the X-bracing shifted closer to the bridge (rear shifted), and by the mid-'40s, Martin was no long