{"product_id":"sg1903u-19-inch-3u-rack-mount-audio-chassis","title":"SG1903U 19-inch 3U Rack Mount Audio Chassis","description":"\u003cp\u003eThe \u003cstrong\u003eSUNeMALL SG1903U\u003c\/strong\u003e is a premium, factory-direct standard 19-inch 3U rack mount audio chassis engineered specifically for high-power Hi-Fi amplifiers, deep tube preamps, massive distribution gear, and professional custom electronic systems. Combining a clean, handle-free front panel with a tough steel body carcass, the SG1903U provides a professional industrial finish alongside high strength and structural rigidity at an economical factory-direct price point.\u003c\/p\u003e\n\u003cdiv style=\"margin: 15px 0; padding: 12px; background-color: #f8f9fa; border-left: 3px solid #3182ce;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.95em; color: #2d3748;\"\u003e\u003cstrong\u003e📐 Global EIA-310 Compliance:\u003c\/strong\u003e This premium 3U audio enclosure is manufactured precisely to standard server and studio hardware dimensions, ensuring a flawless, completely flush installation into any commercial 19-inch infrastructure rack, server cabinet, or flight road case.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e📐 Technical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e SG1903U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Style:\u003c\/strong\u003e Standard 19\" 3U Rack Mount Audio Chassis (Dual Handle Layout)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanel Size:\u003c\/strong\u003e Width 19\" (482.6mm) x Height 5.22\" (132.5mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody External Size:\u003c\/strong\u003e Width 16.7\" (425mm) x Height 4.9\" (124mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth Profile:\u003c\/strong\u003e 11.8\" (300mm Deep Rack Space Layout)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Composition:\u003c\/strong\u003e 2mm Premium Anodized Aluminum Front Panel \u0026amp; Tough Structural Steel Body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 9.0 lbs \/ 4kg\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor \u0026amp; Finish:\u003c\/strong\u003e Brushed Anodized Finishing Front Panel with an Anodized Handle Finish and Black Painted Mild Steel Body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInclusions:\u003c\/strong\u003e Includes 2 premium aluminum front handles, complete assembly screws and 4 high-quality non-slip rubber feet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⚙️ Key Product Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenerous 3U Vertical Clearance:\u003c\/strong\u003e Specifically designed with three times the clearance of a standard 1U unit to comfortably house large toroidal transformers, heavy-duty cooling fan arrays, stacked internal circuit layers, and point-to-point tube layouts without structural sagging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist Handle-Free Design:\u003c\/strong\u003e Features a completely flat, sleek faceplate without protruding front handles, making it ideal for clean studio installations, modern residential setups, and tight enclosure glass doors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Multi-Panel Framework:\u003c\/strong\u003e The thick aluminium faceplate along with the tough steel top and bottom panels are completely removable. This layout makes bench servicing, internal component populating, board testing, and circuit assembly incredibly straightforward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly Machinable Steel Body:\u003c\/strong\u003e The rugged steel shell arrives in a blank, un-drilled state, providing a uniform and smooth surface layer that can be easily machined, drilled, or hole-punched locally to fit custom potentiometer shafts, inputs, or back-panel power inlets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Electrical Isolation:\u003c\/strong\u003e Tightly fitting metal-to-metal panel junctions create a comprehensive Faraday cage, supplying superior RF (Radio Frequency) and EMI shielding to keep delicate preamp audio signals and high-gain matrices completely free of background hum.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🛠️ Need Factory Pre-Drilling or Silk-Screening?\u003c\/h3\u003e\n\u003cp\u003ePlanning a commercial production run for your audio brand? We can save you valuable assembly labor. We offer in-house factory CNC punching for your custom connection layouts, specialized powder coatings, and high-resolution laser engraving or silk-screen branding. Head to our \u003cstrong\u003eCustom CNC \u0026amp; Laser Quotes\u003c\/strong\u003e page to upload your design blueprints for a direct factory estimate.\u003c\/p\u003e","brand":"Sunemall","offers":[{"title":"Default Title","offer_id":50106836975839,"sku":"SG1903U-BLK","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6017\/5839\/files\/sg1903u-rack-mount-chassis-aluminum-metal-black-3d.jpg?v=1781219766","url":"https:\/\/www.sunemall.com\/products\/sg1903u-19-inch-3u-rack-mount-audio-chassis","provider":"Sunemall","version":"1.0","type":"link"}