Martin J-40 Lefthanded

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The Martin J-40 is a trusted standout in Martin’s acoustic lineup that makes an unforgettable statement in both sound and style. Its Jumbo body size combines a larger, tight-waisted shape with powerful projection, delivering resonant bass, shimmering trebles, and exceptional balance that suits any playing style. Handcrafted with a solid spruce top and solid East Indian rosewood back and sides, the J-40 boasts deep bass and rich overtones, creating a sound that’s as dynamic as its design. The satin genuine mahogany neck with a Golden Era (GE) Modified Low Oval profile, high-performance taper, and 25.4" scale length ensures smooth, comfortable playability. Luxurious details, including its abalone rosette and bound ebony fingerboard with hexagon inlays, enhance its timeless beauty. Complete with antique white binding, an ebony bridge with bone pins, and gold open gear tuners, the J-40 is a guitar you can trust to unleash the artist within. 

Martin’s refreshed Standard Series for 2025 enhances tone, comfort, and style. Sitka spruce GE top bracing, as featured on the Modern Deluxe Series, delivers vintage-inspired tone and sustain, while updates like a reimagined neck profile, thinner fingerboard, and refined bridge and heel improve playability and aesthetics. Each guitar includes a hardshell case. 

Body Size: J-14 Fret

Finish Top: Gloss

Construction: Dovetail Neck Joint

Back and Side Finish: Gloss

Bracing Pattern: Forward Shifted X-Brace

Scale Length: 25.4"

Brace Shape: GE-Scalloped

Fingerboard Width at Nut: 1 3/4''

Top Material: Spruce

Neck Shape: GE Modified Low Oval

Back Material: East Indian Rosewood

Neck Taper: High-Performance Taper

Side Material: East Indian Rosewood

Electronics: None

Top Color: Aging Toner

Bridge Style: GE Modern Belly - Drop in Saddle

Binding: Antique White

Bridge String Spacing: 2 5/32"

Top Inlay Material: Multi-Stripe

Bridge Material: Ebony

Top Detail: None

Bridge Pin Material: Bone

Pickguard: Faux Tortoise

Bridge Pin Dots: Abalone

Pickguard Inlay: None

Saddle: Compensated Bone

Rosette: Abalone with Multi-Stripe

Saddle Radius: 16"

Brace Material: Spruce

Back and Sides Color: Natural

Brace Size: 5/16"

Back Detail: None

Back Purfling/Strip: Style 45 with Black Stripe

Back Inlay Material: Multi-Stripe

Heelcap: Antique White with Multi-Stripe

Side Detail: None

Endpiece: Antique White

Side Inlay Material: Multi-Stripe

Endpiece Inlay: Multi-Stripe

Neck Material: Genuine Mahogany

Fingerboard Material: Ebony

Finish Neck: Satin

Fingerboard Width at 12th Fret: 2 1/8''

Neck Color: Dark Mahogany

Fingerboard Inlay Style: Reduced Hexagon

Number of Frets Total: 20

Fingerboard Inlay Material: Abalone

Neck Joins Body At: 14th Fret

Fingerboard Binding Material: Antique White with Multi-Stripe

Side Dots: Black

Headstock Shape: Solid with Square Taper and Diamond

Tuning Machines: Gold Open Gear

Headplate Material: East Indian Rosewood

Knob: Butterbean

Headplate Logo Style: Block Inlay Golden Era

Nut Material: Bone

Headplate Binding Material: Antique White with Multi-Stripe