Martin Super D18 Mahogany/Spruce Acoustic Guitar

Experience Iconic Power and Rich Resonance – The
Martin Super D18 Mahogany/Spruce Acoustic Guitar

Martin guitars are synonymous with legendary craftsmanship, rich acoustic tone, and a heritage that has shaped music for generations. Built with carefully selected tonewoods and time-honored construction techniques, they deliver powerful projection, warmth, and clarity. From iconic dreadnoughts to modern stage-ready models, Martin guitars are trusted by players worldwide for their timeless sound, exceptional quality, and enduring musical legacy.

SPECIFICATIONS

Body

• Back and Side Finish: Gloss
• Back and Sides Color: Dark Mahogany
• Back Detail: None
• Back Inlay Material: None
• Back Material: Genuine Mahogany
• Back Purfling/Strip: Style 18
• Binding: Black
• Body Size: Super D-14 Fret
• Brace Material: Spruce
• Brace Shape: GE-Scalloped
• Brace Size: 5/16″
• Bracing Pattern: Forward Shifted X Brace
• Bridge Material: Ebony
• Bridge String Spacing: 2 5/32″
• Bridge Style: GE Modern Belly – Drop in Saddle
• Construction: Dovetail Neck Joint
• Endpiece: Black
• Endpiece Inlay: None
• Finish Top: Gloss
• Neck Color: Dark Mahogany
• Neck Joins Body At: 14th Fret
• Neck Material: Select Hardwood
• Neck Shape: GE Modified Low Oval
• Neck Taper: High Performance Taper
• Number of Frets Total: 20
• Nut Material: Bone
• Rosette: Old Style 18 Multi-Stripe
• Saddle: Bone
• Saddle Radius: 16″
• Side Material: Genuine Mahogany
• Top Color: Aging Toner
• Top Detail: None
• Top Inlay Material: Multi-Stripe
• Top Material: Spruce

Neck

• Fingerboard Binding Material: None
• Fingerboard Inlay Material: Abalone
• Fingerboard Inlay Style: Old Style 18
• Fingerboard Material: Ebony
• Fingerboard Width at 12th Fret: 2 1/8″
• Fingerboard Width at Nut: 1 3/4″
• Finish Neck: Satin
• Headplate Binding Material: None
• Headplate Logo Style: Script Old Style Overlay
• Headplate Material: East Indian Rosewood
• Headstock Shape: Solid with Square Taper
• Heelcap: Black
• Scale Length: 25.4″
• Side Detail: None
• Side Dots: White
• Side Inlay Material: None

Hardware

• Bridge Pin Dots: None
• Bridge Pin Material: Ebony
• Knob: Butterbean
• Pickguard: Faux Tortoise
• Pickguard Inlay: None
• Tuning Machines: Nickel Open Gear

Electronics

• Electronics: None

Miscellaneous

• Case: Molded Hardshell

Manufacturer: C. F. Martin & Co.
Model: SUPER D-18 2025
SKU: I875886-N-3-WHXA
UPC: 729789695572

We are Chuck Levin’s Washington Music Center

Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.