Martin Super D-18 Acoustic Guitar - Natural with Hardshell Case

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This brand new 4.2 lb Martin will ship insured, fully set up, and inspected from Rapid City, SD.

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The Martin Super D-18 takes everything players love about the legendary D-18 and turns it up another notch. While it stays true to the timeless Style 18 look, its innovative Super D body adds 20% more internal air volume, delivering a bigger, bolder voice with deeper bass, greater projection, and an impressive dynamic range. It’s the kind of guitar that effortlessly fills a room while maintaining the balanced, articulate tone that has made Martin a benchmark for acoustic performance.

A solid spruce top paired with genuine mahogany back and sides creates a rich, expressive sound that’s equally at home under a heavy flatpick or a gentle fingerstyle touch. Forward-shifted Golden Era scalloped X-bracing brings exceptional responsiveness and sustain, allowing every chord to bloom with warmth and every lead line to ring with remarkable clarity. Whether you’re on stage, in the studio, or writing your next favorite song, the Super D-18 delivers the confidence and power to match your playing.

Classic Martin appointments complete the package, with an ebony fingerboard and bridge, understated abalone dot inlays, black binding, and a smooth satin-finished neck that feels comfortable from the first chord to the final encore. It’s a fresh evolution of one of the most respected acoustic designs ever made, combining vintage-inspired craftsmanship with modern innovation. Available now at Haggerty’s Music.

Features / Specs

Highlights

• Orientation: Right-Handed
• Electronics: None
• Bracing: GE-Scalloped Forward Shifted X
• Cutaway: None

Body

• Body Shape: Super Dreadnought
• Top Material: Spruce
• Top Finish: Gloss
• Top Color: Natural with Aging Toner
• Back & Sides Material: Mahogany
• Back Configuration: Two-Piece
• Back & Sides Finish: Gloss
• Bracing: GE-Scalloped Forward Shifted X
• Binding Material: Black
• Rosette: Old Style 18 Multi-Stripe

Neck

• Neck Profile: GE Modified Low Oval
• Neck Material: Select Hardwood
• Neck Taper: Performance Taper
• Neck Depth: 0.814" at 1st Fret, 0.908" at 12th Fret
• Scale Length: 25.4"
• Nut Width: 1.75"
• Fingerboard Material: Ebony
• Fingerboard Inlay: Abalone Old Style 18
• Fingerboard Binding: None
• Fingerboard Radius: 16"
• Fingerboard Spacing: 2.156"
• Neck Finish: Satin
• Neck Joint: Dovetail
• Headstock: Solid with Square Taper
• Headstock Binding: None
• Headplate Inlay: None
• Headplate Finish: Satin

Hardware

• Bridge Style: GE Modern Belly, Drop in Saddle
• Bridge Material: Ebony
• Bridge Pins: Ebony
• Saddle: Bone
• Nut Material: Bone
• Tuners: Nickel Open Gear
• Pickguard: Faux Tortoise

Miscellaneous

• Electronics: None
• Strings: Authentic Acoustic Lifespan 2.0 Guitar Strings Phosphor Bronze - Medium
• Case/Gig Bag: Hardshell Case
• Serial Number: 3073650
• Manufacture Date: 2026