The Architectural Evolution of Mahogany Power
The Martin Super D-18 represents a profound structural evolution of the acoustic icon. While maintaining the timeless Style 18 silhouette, this new Super D body size re-engineers the internal physics of the instrument to provide 20% more air volume. This is a masterclass in acoustic displacement; by expanding the traditional footprint, Martin has effectively "unlocked" a lower frequency floor for genuine mahogany that was previously inaccessible.
Constructed with solid genuine mahogany back and sides, the Super D-18 retains the hallmark "dry" and "punchy" response expected of the D-18, but adds a sub-bass presence and a thunderous resonance that fills a room with significantly less physical input from the player. This architectural shift results in a massive increase in the dynamic ceiling—adding a depth of character usually reserved for the density of rosewood, all while maintaining the clean, articulate "woodiness" of premium mahogany.
The inclusion of Forward-shifted Golden Era scalloped X-bracing—a premium structural refinement typically found in the Modern Deluxe series—ensures that despite the larger body, the spruce top remains hyper-responsive to a light touch. It allows the instrument to handle aggressive flatpicking without "breaking up," making it the ultimate tool for the ensemble player who needs to command the low-end and be heard in a crowded mix without the "muddiness" of an over-driven box.
The Super D-18 isn't just a louder guitar; it is a more efficient engine for acoustic expression.
Stock photos shown, individual color and grain will vary from guitar to guitar.
Body & Construction
Body Size: Super D-14 Fret
Construction: Dovetail Neck Joint
Bracing Pattern: Forward Shifted X-Brace
Brace Shape: GE-Scalloped (Golden Era style)
Brace Material/Size: Spruce, 5/16"
Top Material: Solid Spruce with Aging Toner
Back & Side Material: Solid Genuine Mahogany
Finish (Body): Full Gloss
Finish (Neck): Satin
Binding: Black
Rosette: Old Style 18 Multi-Stripe
Pickguard: Faux Tortoise
Neck & Playability
Neck Material: Select Hardwood
Neck Shape: GE Modified Low Oval
Neck Taper: High-Performance Taper
Scale Length: 25.4"
Nut Material: Bone
Nut Width: 1 3/4''
Fingerboard Width at 12th Fret: 2 1/8''
Fingerboard Material: Solid Black Ebony
Fingerboard Inlay: Old Style 18 (Abalone)
Number of Frets Total: 20 (Neck joins at 14th)
Side Dots: White
Hardware & Appointments
Bridge Material: Solid Black Ebony
Bridge Style: GE Modern Belly - Drop in Saddle
Bridge String Spacing: 2 5/32"
Saddle: Compensated Bone (16" Radius)
Tuning Machines: Nickel Open Gear with Butterbean Knobs
Bridge Pin Material: Black Ebony (no dots)
Headplate: East Indian Rosewood with Script Old Style Overlay
Case: Molded Hardshell (Included)
Plek'd: Yes (Factory Precision Optimized)
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Any order placed before 3pm CDT Tuesday through Saturday is processed for shipment the same day. Orders placed Sunday-Monday will be processed for shipment the following Tuesday.
For Free Shipping items, Effects pedals and small goods items are generally shipped via USPS Priority Mail, and Guitars and Amplifiers are generally shipped via UPS Ground.
Due to our central location in the middle of the US, most orders will be delivered within 1-3 days delivery time.
Other shipping methods are available (at an additional cost), including next day air.
Please call us directly at (972)540-6420 if you have any questions regarding shipping for your order.
