{"product_id":"martin-custom-shop-j-18-jumbo-acoustic-guitar","title":"Martin Custom Shop J-18 Jumbo Acoustic Guitar","description":"\u003cstyle\u003e\na {\n    text-decoration: none;\n    color: #464feb;\n}\ntr th, tr td {\n    border: 1px solid #e6e6e6;\n}\ntr th {\n    background-color: #f5f5f5;\n}\n\u003c\/style\u003e\n\u003cdiv\u003e\n\u003cp\u003eThis Martin Custom Shop J‑18 Jumbo is a rare opportunity to experience a fully custom Martin build that blends the power of a jumbo body with the focused warmth of classic Style 18 tonewoods. Built in Nazareth, Pennsylvania, this instrument reflects Martin’s highest level of craftsmanship—combining traditional construction methods with carefully selected premium materials for exceptional tone, feel, and long‑term performance.\u003c\/p\u003e\n\u003cp\u003eAt Heid Music, our long‑standing relationship with Martin Guitar means more than just access to incredible instruments—it means confidence. Every Martin we carry is supported by our on‑site certified warranty technician, ensuring your investment is cared for by trained professionals who meet Martin’s service standards. Whether you’re purchasing your first high‑end acoustic or adding a standout piece to your collection, you can trust both the instrument and the support behind it.\u003c\/p\u003e\n\u003cp\u003eOnly one available, this Custom Shop build offers the responsiveness, projection, and tonal depth serious players demand. If you’ve been waiting for a distinctive Martin that stands apart from standard production models, this is your moment.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCustom Shop J‑body jumbo design for powerful projection and full low end\u003c\/li\u003e\n\u003cli\u003eSitka spruce VTS top for aged‑in tone with enhanced resonance\u003c\/li\u003e\n\u003cli\u003eMahogany back and sides for warmth, clarity, and strong midrange\u003c\/li\u003e\n\u003cli\u003eForward‑shifted scalloped X bracing for increased responsiveness\u003c\/li\u003e\n\u003cli\u003eModified Low Oval neck with High Performance taper for modern playability\u003c\/li\u003e\n\u003cli\u003eEbony fingerboard for smooth feel and articulation\u003c\/li\u003e\n\u003cli\u003eStyle 18 appointments for classic Martin aesthetic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBody\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBody Shape: J Jumbo\u003c\/li\u003e\n\u003cli\u003eTop: Sitka Spruce VTS (Premium Grade)\u003c\/li\u003e\n\u003cli\u003eBack and Sides: Mahogany (2‑piece back)\u003c\/li\u003e\n\u003cli\u003eBracing: Forward‑Shifted Scalloped X Brace\u003c\/li\u003e\n\u003cli\u003eBinding: Brown Faux Tortoise\u003c\/li\u003e\n\u003cli\u003eRosette: Old Style 18\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNeck\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNeck Material: Genuine Mahogany\u003c\/li\u003e\n\u003cli\u003eNeck Shape: Modified Low Oval\u003c\/li\u003e\n\u003cli\u003eNeck Taper: High Performance\u003c\/li\u003e\n\u003cli\u003eNeck Joint: Dovetail\u003c\/li\u003e\n\u003cli\u003eScale Length: 25.4 inches\u003c\/li\u003e\n\u003cli\u003eFingerboard: Ebony\u003c\/li\u003e\n\u003cli\u003eInlays: Style 18\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHardware\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBridge: Modern Belly\u003c\/li\u003e\n\u003cli\u003eTuners: Grover Nickel StaTite 18:1 (Vintage Button)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Martin","offers":[{"title":"Default Title","offer_id":54291448791151,"sku":"CC24033230","price":4149.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/7093\/9247\/files\/3020923_-_Martin_Custom_Shop_J-18_1__07096.1779802526.1280.1280.jpg?v=1789424381","url":"https:\/\/www.heidmusic.com\/products\/martin-custom-shop-j-18-jumbo-acoustic-guitar","provider":"Heid Music","version":"1.0","type":"link"}