{"product_id":"martin-custom-shop-18-style-d-12f-acoustic-guitar-with-hardshell-case-used","title":"Martin Custom Shop 18 Style D-12F Acoustic Guitar with Hardshell Case - Used","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan style=\"font-size: 18pt;\"\u003e\u003cstrong\u003e-YOU ARE VIEWING PHOTOS OF THE ACTUAL GUITAR BEING SOLD!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis used\u003cspan class=\"Apple-converted-space\"\u003e 3.8 lb Martin \u003c\/span\u003ewill ship insured, fully set up, and inspected from Rapid City, SD. In excellent condition, this guitar has a few chips on the headstock.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eBuy risk free with our 14 day - full refund, less shipping, return policy. Check out our shop policies for more details.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe Martin Custom Shop 18 Style D-12F is the kind of guitar that immediately feels special before you even play the first chord. Built through Martin’s Custom Shop, this instrument blends vintage-inspired design choices with subtle custom details that make it stand apart from standard production models. It carries the soul of a pre-war style Martin while introducing a unique Custom “D” dreadnought paired with a 12-fret neck configuration, creating a guitar that feels deeply rooted in old-school acoustic tradition yet uniquely its own. This is the sort of build Martin enthusiasts search for—the familiar warmth of an 18-style instrument with thoughtful custom-shop personality throughout.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe custom dreadnought body combined with the 12-fret design gives this guitar a completely different feel and response than a traditional 14-fret dreadnought. The shifted bridge placement and increased body resonance create a fuller, more open low end with rich sustain and a warm, blooming midrange that fills a room effortlessly. It still has the power and projection players expect from a Martin dreadnought, but with a softer, more vintage-style response that feels incredibly alive under the hands. Fingerpicked passages sound huge and detailed, while strummed chords carry a thick, woody authority that never becomes harsh.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eIts tonewood combination is classic for a reason. The certified European spruce top offers exceptional responsiveness, clarity, and dynamic range, paired beautifully with mahogany back and sides that add warmth, dryness, and focused midrange character. Finished in a rich aging toner gloss, the top carries the look of a well-loved vintage Martin right out of the case. Black ebony for the fingerboard and bridge adds crisp articulation and elegant contrast against the mahogany neck and body, while the black binding, tortoise pickguard, and black backstrip reinforce the understated sophistication of the old Style 18 aesthetic.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe details throughout this Custom Shop build feel intentionally vintage-inspired without becoming flashy. Old Style 18 inlays, the old-style gold decal headstock logo, butterbean Gotoh open-gear tuners, GE Modern Belly bridge, and satin-finished genuine mahogany neck all contribute to a guitar that feels timeless and authentic. The GE Modified Low Oval neck with High Performance taper keeps the playability modern and comfortable despite the vintage design language, making this an instrument equally suited for serious players, collectors, and lifelong Martin fans. Rich, resonant, and unmistakably handcrafted, the Custom Shop 18 Style D-12F captures the magic of Martin’s golden-era designs in a truly distinctive package.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan style=\"font-size: 18pt;\"\u003e\u003cstrong\u003eFeatures \/ Specs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eHighlights\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eOrientation\u003c\/strong\u003e: Right-Handed\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eElectronics\u003c\/strong\u003e: None\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eBracing\u003c\/strong\u003e: Spruce X-Bracing\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eCutaway\u003c\/strong\u003e: None\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eBody\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eBody Shape\u003c\/strong\u003e: Custom \"D\" Dreadnought\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eTop Material\u003c\/strong\u003e: Certified European Spruce\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eTop Finish\u003c\/strong\u003e: Gloss\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eTop Color\u003c\/strong\u003e: Aging Toner\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eBack \u0026amp; Sides Material\u003c\/strong\u003e: Mahogany\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eBack Configuration\u003c\/strong\u003e: 2-Piece with Black Backstrip\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eBack \u0026amp; Sides Finish\u003c\/strong\u003e: Gloss\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eBracing\u003c\/strong\u003e: Spruce X-Bracing\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eBinding Material\u003c\/strong\u003e: Black\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eRosette\u003c\/strong\u003e: Old Style 18 Boltaron\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eNeck\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eNeck Profile\u003c\/strong\u003e: GE Modified Low Oval\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eNeck Material\u003c\/strong\u003e: 12\/4 Genuine Mahogany\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eNeck Taper\u003c\/strong\u003e: High Performance Taper\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eNeck Depth\u003c\/strong\u003e: 0.814\" at 1st Fret, 0.916\" at 9th Fret\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eScale Length\u003c\/strong\u003e: 25.4\"\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eNut\u003c\/strong\u003e \u003cstrong\u003eWidth\u003c\/strong\u003e: 1-3\/4\"\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eFingerboard Material\u003c\/strong\u003e: Black Ebony\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eFingerboard Inlay\u003c\/strong\u003e: Old Style 18\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eFingerboard Binding\u003c\/strong\u003e: None\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eFingerboard Radius\u003c\/strong\u003e: 16\"\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eFingerboard Spacing\u003c\/strong\u003e: 2-5\/32\"\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eNeck Finish\u003c\/strong\u003e: Satin\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eNeck Joint\u003c\/strong\u003e: Dovetail\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eHeadstock Veneer\u003c\/strong\u003e: East Indian Rosewood \u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eHeadstock Taper\u003c\/strong\u003e: Square\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eHeadstock Binding\u003c\/strong\u003e: None\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eHeadplate Inlay\u003c\/strong\u003e: None, Old Style Gold Decal\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eHeadplate Finish\u003c\/strong\u003e: Satin\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eHardware\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eBridge Style\u003c\/strong\u003e: GE Modern Belly\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eBridge Material\u003c\/strong\u003e: Black Ebony\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eBridge Pins\u003c\/strong\u003e: Ebony\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eSaddle\u003c\/strong\u003e: Compensated Bone\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eNut\u003c\/strong\u003e \u003cstrong\u003eMaterial\u003c\/strong\u003e: Bone\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eTuners\u003c\/strong\u003e: Gotoh Nickel SE770E-06M-XN Open Gear with Butterbean Knobs\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003ePickguard\u003c\/strong\u003e: Tortoise\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eMiscellaneous\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eElectronics\u003c\/strong\u003e: None\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eCase\/Gig Bag\u003c\/strong\u003e: Hardshell Case\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eSerial Number\u003c\/strong\u003e: \u003cspan data-sheets-root=\"1\"\u003e3011499\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cstrong\u003eManufacture Date\u003c\/strong\u003e: 2025\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Haggerty's Music","offers":[{"title":"Default Title","offer_id":52377726320952,"sku":"used3011499","price":3599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0924\/0068\/1272\/files\/DNL_Need_Specs_Martin_Custom_Shop_18_Style_D_12F_Acoustic_Guitar_with_Hardshell_Case_Used-6a0746fae3e3a_22c3d2da-9046-498e-b34f-f412e4893793.webp?v=1778873298","url":"https:\/\/haggertysmusic.com\/products\/martin-custom-shop-18-style-d-12f-acoustic-guitar-with-hardshell-case-used","provider":"Haggerty's Music Inc","version":"1.0","type":"link"}