Martin Custom D Classic Mahogany Dreadnought Acoustic Guitar Solid Sitka spruce top D1 A-frame bracing pattern Solid mahogany back and sides Modified low oval solid mahogany neck Mortise-and-tenon neck joint Indian rosewood fingerboard Solid Indian rosewood bridge Solid Indian rosewood head plate with raised gold foil decal Small dot position markers Inlaid single-ring rosette Tortoise top binding Tortoise pickguard Adjustable truss rod White Corian nut Satin finish 25-2/5 in. scale length 16 in. fingerboard Made in Nazareth, Pennsylvania, this amazing instrument is crafted with a solid Sitka spruce top and solid mahogany back and sides Like many of Martins famous dreadnought guitars, the Custom D Classic Mahogany Dreadnought has all the punch and volume that players have come to expect from the world-famous Martin Guitar Co The combination of Sitka spruce and mahogany back and sides generates a tone with expressive highs and mid-range frequencies; plus, a loud, punchy bottom end Along with a great tone, this guitar has amazing sustain and dynamic response