{"product_id":"martin-grand-j-28e-double-neck-w-case-2957714","title":"Martin Grand J-28E Double Neck w\/case 2957714","description":"\u003cp data-start=\"62\" data-end=\"480\"\u003e\u003cstrong\u003eSerial\u003c\/strong\u003e: 2957714\u003c\/p\u003e\n\u003cp data-start=\"62\" data-end=\"480\"\u003eThe Martin Grand J-28E Double Neck represents one of the most ambitious and innovative builds to come out of Martin’s Standard Series — combining a 6-string and 12-string into a single, fully realized acoustic-electric instrument without compromise. This isn’t a novelty piece — it’s a serious, stage-ready tool built with the same attention to tone, structure, and long-term stability that defines Martin at its best.\u003c\/p\u003e\n\u003cp data-start=\"482\" data-end=\"939\"\u003eBuilt on a Grand Jumbo platform, this guitar delivers massive projection, depth, and headroom. The pairing of a solid spruce top with East Indian rosewood back and sides produces the classic Martin voice — powerful low end, clear trebles, and a rich overtone response — with enough authority to support both necks equally. A specially engineered double-neck X-bracing system ensures balance and clarity across both the 6-string and 12-string configurations.\u003c\/p\u003e\n\u003cp data-start=\"941\" data-end=\"1250\"\u003eStructurally, this is where things get serious. Dual compound dovetail neck joints provide exceptional stability and energy transfer, allowing both necks to resonate efficiently while maintaining tuning integrity under significantly increased tension. It feels and responds like a true Martin — just expanded.\u003c\/p\u003e\n\u003cp data-start=\"1252\" data-end=\"1605\"\u003eEach neck is purpose-built. The 6-string features a Modified Low Oval profile for familiar, comfortable playability, while the 12-string neck is shaped to support full, articulate chord work without feeling cumbersome. Both necks feature ebony fingerboards and satin finishes, offering a smooth, fast feel that holds up across extended playing sessions.\u003c\/p\u003e\n\u003cp data-start=\"1607\" data-end=\"1900\"\u003ePlugged in, the custom Fishman Double Neck system gives you full control and a natural acoustic voice, making this a legitimate performance instrument — not just a visual centerpiece. Whether you’re layering textures live or writing with expanded tonal options, it delivers without compromise.\u003c\/p\u003e\n\u003cp data-start=\"1902\" data-end=\"2028\"\u003eThis is a rare kind of instrument — one that expands what an acoustic guitar can do while still feeling grounded in tradition.\u003c\/p\u003e\n\u003ch3 data-section-id=\"xtvnl1\" data-start=\"2030\" data-end=\"2044\"\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2047\" data-end=\"2124\"\u003eMartin Standard Series double neck acoustic-electric (6-string + 12-string)\u003c\/li\u003e\n\u003cli data-start=\"2127\" data-end=\"2178\"\u003eGrand Jumbo body for maximum projection and depth\u003c\/li\u003e\n\u003cli data-start=\"2181\" data-end=\"2240\"\u003eSolid spruce top with East Indian rosewood back and sides\u003c\/li\u003e\n\u003cli data-start=\"2243\" data-end=\"2306\"\u003eDual compound dovetail neck joints for strength and resonance\u003c\/li\u003e\n\u003cli data-start=\"2309\" data-end=\"2356\"\u003eCustom Fishman Double Neck electronics system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"2358\" data-end=\"2376\"\u003eSpecifications\u003c\/h3\u003e\n\u003ch4 data-start=\"2378\" data-end=\"2387\"\u003eBody\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"2390\" data-end=\"2432\"\u003eBody Size: Grand Jumbo (Grand J-14 Fret)\u003c\/li\u003e\n\u003cli data-start=\"2435\" data-end=\"2454\"\u003eTop: Solid Spruce\u003c\/li\u003e\n\u003cli data-start=\"2457\" data-end=\"2499\"\u003eBack \u0026amp; Sides: Solid East Indian Rosewood\u003c\/li\u003e\n\u003cli data-start=\"2502\" data-end=\"2534\"\u003eBracing: Double Neck X-Bracing\u003c\/li\u003e\n\u003cli data-start=\"2537\" data-end=\"2589\"\u003eConstruction: Compound Dovetail Neck Joints (dual)\u003c\/li\u003e\n\u003cli data-start=\"2592\" data-end=\"2616\"\u003eBinding: Antique White\u003c\/li\u003e\n\u003cli data-start=\"2619\" data-end=\"2651\"\u003eRosette: Style 28 Multi-Stripe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNeck\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2665\" data-end=\"2707\"\u003e6-String Neck Profile: Modified Low Oval\u003c\/li\u003e\n\u003cli data-start=\"2710\" data-end=\"2750\"\u003e12-String Neck Profile: Custom Profile\u003c\/li\u003e\n\u003cli data-start=\"2753\" data-end=\"2774\"\u003eFingerboards: Ebony\u003c\/li\u003e\n\u003cli data-start=\"2777\" data-end=\"2792\"\u003eFinish: Satin\u003c\/li\u003e\n\u003cli data-start=\"2795\" data-end=\"2831\"\u003eInlays: Style 28 (Mother-of-Pearl)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2833\" data-end=\"2846\"\u003eHardware\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"2849\" data-end=\"2890\"\u003eBridge: Ebony Modern Belly (both necks)\u003c\/li\u003e\n\u003cli data-start=\"2893\" data-end=\"2912\"\u003eBridge Pins: Bone\u003c\/li\u003e\n\u003cli data-start=\"2915\" data-end=\"2952\"\u003eTuners: Open-gear, butterbean style\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectronics\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2973\" data-end=\"3009\"\u003eSystem: Fishman Double Neck System\u003c\/li\u003e\n\u003cli data-start=\"3012\" data-end=\"3066\"\u003eControls: Integrated onboard controls for both necks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"3068\" data-end=\"3086\"\u003eMiscellaneous\u003c\/h4\u003e\n\u003cul data-start=\"3087\" data-end=\"3127\"\u003e\n\u003cli data-section-id=\"d04vj4\" data-start=\"3087\" data-end=\"3127\"\u003e\n\u003cp data-start=\"3089\" data-end=\"3127\"\u003eCase: Molded Hardshell Case Included\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"eblijg\" data-start=\"3129\" data-end=\"3164\"\u003eWhy Buy from Tone Shop Guitars?\u003c\/h3\u003e\n\u003cp data-start=\"3165\" data-end=\"3481\"\u003eTone Shop Guitars curates instruments that stand out — not just visually, but in how they perform and inspire. From unique builds like this to carefully selected Custom Shop pieces, every guitar we offer is professionally inspected, expertly set up, and backed by a team that understands what serious players expect.\u003c\/p\u003e","brand":"Reemes Music","offers":[{"title":"Default Title","offer_id":53838482407743,"sku":"RMC-MUS-G86004863","price":4100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/7535\/9039\/files\/IMG_2973_ff669090-9d21-45f5-9c08-bd74b877a4a1.jpg?v=1782094292","url":"https:\/\/www.reemesmusic.com\/products\/martin-grand-j-28e-double-neck-w-case-2957714","provider":"Reemes Music","version":"1.0","type":"link"}