{"title":"Vacuum Tube Chassis \u0026 Transformer Covers","description":"\u003cp\u003eExplore the premium selection of \u003cstrong\u003eSUNeMALL Vacuum Tube Chassis and Transformer Covers\u003c\/strong\u003e, precision-engineered for audiophiles, boutique tube amplifier brands, DIY valve builders, and high-fidelity restoration technicians. Crafted from premium, heavy-gauge aluminum alloy and structurally reinforced metal, this line provides the absolute structural rigidity and thermal stability required to showcase and protect high-voltage, high-heat thermionic electronics at an economical factory-direct price point.\u003c\/p\u003e\n\n\u003cdiv style=\"margin: 20px 0; padding: 15px; background-color: #f8f9fa; border-left: 4px solid #3182ce;\"\u003e\n  \u003ch4 style=\"margin: 0 0 5px 0; color: #2c5282;\"\u003e🔊 The Ultimate Foundation for High-End Valve Audio\u003c\/h4\u003e\n  \u003cp style=\"margin: 0; font-size: 0.95em; color: #2d3748;\"\u003e\n    Vacuum tube circuits demand rock-solid physical support and exceptional shielding. Our chassis bases are engineered to securely support heavy output iron, massive choke rails, and high-clearance filter caps without structural flexing, while providing elite RF\/EMI isolation to eliminate low-frequency transformer hum from your audio signal path.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003e🔍 Explore Our Premium Valve Enclosure Components:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Vacuum Tube Amplifier Chassis:\u003c\/strong\u003e Spacious, high-capacity, multi-piece layouts providing immense interior volume for under-chassis point-to-point hand wiring, multi-rail circuit boards, and clean grounding configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransformer Protective Covers:\u003c\/strong\u003e Available in precise metric dimensions ranging from 70mm to 170mm profiles to keep magnetic fields tightly contained and give your exposed block transformers a clean, sharp industrial look.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHighly Machinable Top Canvases:\u003c\/strong\u003e Panels arrive in a smooth, un-drilled state, serving as a blank canvas for effortless local punching or milling to drop in tube sockets, potentiometers, switches, and ventilation grids.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚙️ Flat-Pack Safety \u0026amp; Stress-Free Bench Engineering\u003c\/h3\u003e\n\u003cp\u003eTo eliminate finish scratching and international freight damage, our metal enclosures are individually packaged and supplied in an intuitive flat-pack form that assembles securely in minutes via precision-tapped machine threads. The fully removable multi-panel architecture ensures you can detach individual panels for straightforward bench populating, wiring runs, component drilling, and technical measurements.\u003c\/p\u003e\n\n\u003cdiv style=\"margin-top: 25px; padding: 15px; border: 1px dashed #cbd5e0; border-radius: 4px; background-color: #fffaf0;\"\u003e\n  \u003cp style=\"margin: 0; font-size: 0.9em; color: #744210;\"\u003e\n    \u003cstrong\u003e🏭 Custom CNC Punching \u0026amp; Laser Cutting (MOQ 10 Pcs):\u003c\/strong\u003e Save hours of tedious workbench drilling. We provide custom factory laser cutting and CNC hole-punching for any shape or socket dimension, paired with premium protective color coatings and silk-screen branding. Head to our \u003cstrong\u003eCustom Manufacturing\u003c\/strong\u003e portal to upload your blueprints for a rapid factory quote.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n","products":[{"product_id":"sh18149-diy-vacuum-tube-amplifier-audio-chassis-with-perforated-cage-cover","title":"SH18149 DIY Vacuum Tube Amplifier Audio Chassis with Perforated Cage Cover","description":"\u003cp\u003eThe \u003cstrong\u003eSUNeMALL SH18149\u003c\/strong\u003e is a premium, full-size factory-direct vacuum tube amplifier audio chassis engineered specifically for high-end Hi-Fi pre-amplifiers, integrated valve amplifiers, custom electronic instruments, and high-voltage DIY audio projects. Featuring a massive 17-inch wide footprint and a protective perforated metal cage, the SH18149 provides absolute structural support and classic styling 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📐 Heavy-Duty Full-Size Valve Architecture:\u003c\/strong\u003e Built using heavy-gauge structural panels, this massive audio chassis is engineered to safely support the intense weight of output iron, toroidal power transformers, and large multi-rail point-to-point hand-wired electronics without bowing or flexing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e🎨 Finish \u0026amp; Color Configuration:\u003c\/h3\u003e\n\u003cp\u003eGive your audiophile audio build or commercial amplifier line a professional, sleek visual identity on the rack:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSatin Black Mild Steel Chassis Body:\u003c\/strong\u003e Features a thick, protective painted coating layered across the heavy structural enclosure framework to maximize environmental wear and scratch resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlmond Top Plate Accent:\u003c\/strong\u003e Designed with an elegant, contrasting clean almond top plate layer to make dials, status meters, and tube filaments visually stand out.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📐 Technical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e SH18149\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Style:\u003c\/strong\u003e DIY Vacuum Tube Amplifier Chassis with Perforated Top Cage Cover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Size Dimensions (Chassis with Cover):\u003c\/strong\u003e Width 17.3\" (440mm) x Height 8\" (207mm) x Depth 13\" (330mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Body External Size (Lower Carcass Only):\u003c\/strong\u003e Width 17.3\" (440mm) x Height 2.5\" (65mm) x Depth 13\" (330mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Thickness:\u003c\/strong\u003e Heavy-Gauge 2.3mm Dense Structural Steel Top Plate and Main Body Enclosure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 9.9 lbs \/ 4.5kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Composition:\u003c\/strong\u003e Heavy-duty industrial stainless steel assembly screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⚙️ Key Product Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerforated High-Clearance Steel Safety Cage:\u003c\/strong\u003e Equipped with a rugged, fully removable perforated metal protective cover. This safety shield allows constant passive airflow to safely regulate hot vacuum tubes while protecting internal audio parts, delicate glass envelopes, and high-voltage connections from exterior damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipped Fully Pre-Assembled for Immediate Staging:\u003c\/strong\u003e Arrives at your workbench perfectly squared with clean mechanical lines, eliminating frustrating flat-pack alignment overhead. Audio technicians can instantly open the chassis and map out custom layout component placement straight out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Removable 2.3mm Structural Plates:\u003c\/strong\u003e The thick structural top and bottom plates are entirely independent. This open-chassis configuration makes bench populating, under-chassis point-to-point hand wiring runs, active diagnostic measurements, and component servicing completely stress-free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Non-Magnetic RF\/EMI Shielding Matrix:\u003c\/strong\u003e The dense metal-to-metal interlocking panel boundaries establish a high-performance continuous electronic barrier, providing excellent resistance to environmental radio frequencies and electromagnetic noise to keep audio pre-amplification paths completely free of low-frequency transformer hum.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 25px; padding: 15px; border: 1px dashed #cbd5e0; border-radius: 4px; background-color: #fffaf0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.9em; color: #744210;\"\u003e\u003cstrong\u003e🏭 Commercial Production Runs \u0026amp; Custom CNC Punching:\u003c\/strong\u003e Planning a commercial hardware rollout? We save you valuable assembly labor. We provide factory CNC punching for any layout or socket dimension, custom powder color coatings, and high-definition silk-screen branding. Submit your specs via our \u003cstrong\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Manufacturing\"\u003eCustom Manufacturing\u003c\/a\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Quote Request\"\u003e\u003c\/a\u003e\u003c\/strong\u003e portal for a direct estimate.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sunemall","offers":[{"title":"Default Title","offer_id":50448045408479,"sku":"SH18149-blk","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6017\/5839\/files\/sh18149-steel-vacuum-tube-chassis-black-3d.jpg?v=1782194543"},{"product_id":"sh0707-70mm-heavy-duty-mild-steel-transformer-protective-cover","title":"SH0707 70mm Heavy-Duty Mild Steel Transformer Protective Cover","description":"\u003cp\u003eThe \u003cstrong\u003eSUNeMALL SH0707\u003c\/strong\u003e is an industrial-grade, factory-direct transformer protective cover engineered specifically for audiophiles, boutique valve amplifier brands, high-fidelity restoration technicians, and DIY tube electronic builders. Designed to cleanly enclose exposed block transformers, choke rails, or small toroidal units, the SH0707 delivers critical electronic shielding and a high-end industrial aesthetic 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📐 Premium Magnetic Flux Containment Shield:\u003c\/strong\u003e This heavy-duty shielding block is fabricated using 1.0mm thick structural mild steel. It serves as an essential mechanical barrier that traps electromagnetic fields (EMF), drastically reducing inter-component noise induction and keeping sensitive audio preamp paths entirely clean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e🎨 Premium Protective Coating Finish:\u003c\/h3\u003e\n\u003cp\u003eGive your raw output iron, custom power transformers, or hand-wired tube layouts a clean, professional finish on the chassis:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSatin Industrial Black Body:\u003c\/strong\u003e Coated in a uniform, high-durability painted protective finish across the entire steel housing to prevent atmospheric oxidation, resist scuffs, and highlight tube filament glows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📐 Technical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e SH0707\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Style:\u003c\/strong\u003e Cube-Profile Transformer Protective Cover Shield\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody External Dimensions:\u003c\/strong\u003e Width 2.75\" (70mm) x Height 2.75\" (70mm) x Depth 2.75\" (70mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Composition:\u003c\/strong\u003e 1.0mm Heavy-Gauge Dense Mild Steel Construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Robust High-Density Baseline Approx. 0.42 lbs \/ 188g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Mounting Layout:\u003c\/strong\u003e Four-corner integrated mounting footprint measured at 17mm x 17mm with dedicated M5 holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Requirement:\u003c\/strong\u003e Fixed down via standard M5 machine thread screws (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⚙️ Key Product Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior RF \u0026amp; EMI Noise Protection:\u003c\/strong\u003e The dense, seamless metal structural walls establish a high-performance continuous Faraday block. This design successfully eliminates environmental stray radio frequencies and high-voltage hum, improving overall signal clarity in Hi-Fi tube setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipped Fully Pre-Assembled for Immediate Staging:\u003c\/strong\u003e Arrives at your workshop perfectly formed with sharp alignment seams and clean edges, completely eliminating tedious alignment or sheet folding. Technicians can instantly drop the cover over mounted transformer components straight out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly Machinable Steel Canvas:\u003c\/strong\u003e Arrives with a smooth, un-drilled solid surface profile. The premium mild steel material can be easily modified, locally custom-drilled, or CNC hole-punched to accommodate specialized top wire exits, side terminal leads, or grounding lug points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Punched Toolless Knockout Fields:\u003c\/strong\u003e Stamped with precision-scored circular knockout segments on the chassis panel. This electrical-ready design allows field technicians to easily pop open wire entry corridors using a standard screwdriver, enabling clean cable routing and instant conduit attachment without tedious drilling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid Integrated Four-Corner Base Feet:\u003c\/strong\u003e Engineered with pre-formed flush-mounting tabs stamped into the bottom corners. This configuration ensures perfectly level mechanical tension and clean, vibration-free fastening directly onto the amplifier's top plate deck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 25px; padding: 15px; border: 1px dashed #cbd5e0; border-radius: 4px; background-color: #fffaf0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.9em; color: #744210;\"\u003e\u003cstrong\u003e🏭 Commercial Production Runs \u0026amp; Custom CNC Punching:\u003c\/strong\u003e Planning a commercial hardware rollout? We save you valuable assembly labor. We provide factory CNC punching for any layout or socket dimension, custom powder color coatings, and high-definition silk-screen branding. Submit your specs via our \u003cstrong\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Manufacturing\"\u003eCustom Manufacturing\u003c\/a\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Quote Request\"\u003e\u003c\/a\u003e\u003c\/strong\u003e portal for a direct estimate.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sunemall","offers":[{"title":"Default Title","offer_id":50448730751199,"sku":"SH0707-blk","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6017\/5839\/files\/sh0707-steel-protective-cover-chassis-black-3d.jpg?v=1782195549"},{"product_id":"sh0808-80mm-heavy-duty-mild-steel-transformer-protective-cover","title":"SH0808 80mm Heavy-Duty Mild Steel Transformer Protective Cover","description":"\u003cp\u003eThe \u003cstrong\u003eSUNeMALL SH0808\u003c\/strong\u003e is an industrial-grade, factory-direct transformer protective cover engineered specifically for audiophiles, boutique valve amplifier brands, high-fidelity restoration technicians, and DIY tube electronic builders. Designed to cleanly enclose exposed block transformers, choke rails, or medium toroidal units, the SH0808 delivers critical electronic shielding and a high-end industrial aesthetic at an economical factory-direct price point.\u003c\/p\u003e\n\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\n    \u003cstrong\u003e📐 Premium Magnetic Flux Containment Shield:\u003c\/strong\u003e This heavy-duty shielding block is fabricated using 1.0mm thick structural mild steel. It serves as an essential mechanical barrier that traps electromagnetic fields (EMF), drastically reducing inter-component noise induction and keeping sensitive audio preamp paths entirely clean.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003e🎨 Premium Protective Coating Finish:\u003c\/h3\u003e\n\u003cp\u003eGive your raw output iron, custom power transformers, or hand-wired tube layouts a clean, professional finish on the chassis:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSatin Industrial Black Body:\u003c\/strong\u003e Coated in a uniform, high-durability painted protective finish across the entire steel housing to prevent atmospheric oxidation, resist scuffs, and highlight tube filament glows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📐 Technical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e SH0808\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnclosure Style:\u003c\/strong\u003e Cube-Profile Transformer Protective Cover Shield\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody External Dimensions:\u003c\/strong\u003e Width 3.15\" (80mm) x Height 3.15\" (80mm) x Depth 3.15\" (80mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Composition:\u003c\/strong\u003e 1.0mm Heavy-Gauge Dense Mild Steel Construction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Robust High-Density Baseline Approx. 0.5 lbs \/ 245g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChassis Mounting Layout:\u003c\/strong\u003e Four-corner integrated mounting footprint measured at 17mm x 17mm with dedicated M5 holes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardware Requirement:\u003c\/strong\u003e Fixed down via standard M5 machine thread screws (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚙️ Key Product Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior RF \u0026amp; EMI Noise Protection:\u003c\/strong\u003e The dense, seamless metal structural walls establish a high-performance continuous Faraday block. This design successfully eliminates environmental stray radio frequencies and high-voltage hum, improving overall signal clarity in Hi-Fi tube setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShipped Fully Pre-Assembled for Immediate Staging:\u003c\/strong\u003e Arrives at your workshop perfectly formed with sharp alignment seams and clean edges, completely eliminating tedious alignment or sheet folding. Technicians can instantly drop the cover over mounted transformer components straight out of the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHighly Machinable Steel Canvas:\u003c\/strong\u003e Arrives with a smooth, un-drilled solid surface profile. The premium mild steel material can be easily modified, locally custom-drilled, or CNC hole-punched to accommodate specialized top wire exits, side terminal leads, or grounding lug points.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Punched Toolless Knockout Fields:\u003c\/strong\u003e Stamped with precision-scored circular knockout segments on the chassis panel. This electrical-ready design allows field technicians to easily pop open wire entry corridors using a standard screwdriver, enabling clean cable routing and instant conduit attachment without tedious drilling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRigid Integrated Four-Corner Base Feet:\u003c\/strong\u003e Engineered with pre-formed flush-mounting tabs stamped into the bottom corners. This configuration ensures perfectly level mechanical tension and clean, vibration-free fastening directly onto the amplifier's top plate deck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🛠️ Need Factory Pre-Drilling or Silk-Screening?\u003c\/h3\u003e\n\u003cp\u003ePlanning a commercial hardware rollout or small-batch custom utility production run? We save you valuable assembly labor. We provide factory CNC punching for any layout or socket dimension, custom powder color coatings, and high-definition silk-screen branding. Submit your specs via our \u003cstrong\u003e\u003ca href=\"https:\/\/myshopify.com\" title=\"Custom Manufacturing\"\u003eCustom Manufacturing\u003c\/a\u003e\u003c\/strong\u003e portal for a direct estimate.\u003c\/p\u003e\n\n\u003cdiv style=\"margin-top: 25px; padding: 15px; border: 1px dashed #cbd5e0; border-radius: 4px; background-color: #fffaf0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.9em; color: #744210;\"\u003e\u003cstrong\u003e🏭 Commercial Production Runs \u0026amp; Custom CNC Punching:\u003c\/strong\u003e Planning a commercial hardware rollout? We save you valuable assembly labor. We provide factory CNC punching for any layout or socket dimension, custom powder color coatings, and high-definition silk-screen branding. Submit your specs via our \u003cstrong\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Manufacturing\"\u003eCustom Manufacturing\u003c\/a\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Quote Request\"\u003e\u003c\/a\u003e\u003c\/strong\u003e portal for a direct estimate.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sunemall","offers":[{"title":"Default Title","offer_id":50448960585951,"sku":"SH0808-blk","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6017\/5839\/files\/sh0707-steel-protective-cover-chassis-black-3d.jpg?v=1782195549"},{"product_id":"sh0909-90mm-heavy-duty-mild-steel-transformer-protective-cover","title":"SH0909 90mm Heavy-Duty Mild Steel Transformer Protective Cover","description":"\u003cp\u003eThe \u003cstrong\u003eSUNeMALL SH0909 Series\u003c\/strong\u003e features industrial-grade, factory-direct transformer protective covers engineered specifically for audiophiles, boutique valve amplifier brands, high-fidelity restoration technicians, and DIY tube electronic builders. Designed to cleanly enclose exposed block transformers, choke rails, or medium toroidal units, this series delivers critical electronic shielding and a high-end industrial aesthetic 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📐 Premium Magnetic Flux Containment Shield:\u003c\/strong\u003e This heavy-duty shielding block is fabricated using premium structural mild steel. It serves as an essential mechanical barrier that traps electromagnetic fields (EMF), drastically reducing inter-component noise induction and keeping sensitive audio preamp paths entirely clean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e🎨 Premium Protective Coating Finish:\u003c\/h3\u003e\n\u003cp\u003eGive your raw output iron, custom power transformers, or hand-wired tube layouts a clean, professional finish on the chassis:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSatin Industrial Black Body:\u003c\/strong\u003e Coated in a uniform, high-durability painted protective finish across the entire steel housing to prevent atmospheric oxidation, resist scuffs, and highlight tube filament glows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📐 Technical Specifications \u0026amp; Variant Configuration Matrix:\u003c\/h3\u003e\n\u003cp\u003eChoose the optimal mounting style to match your underlying amplifier deck chassis parameters:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSH0909 (Standard Four-Corner Mount):\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions: Width 3.5\" (90mm) x Height 3.5\" (90mm) x Depth 3.5\" (90mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: 1.0mm thickness mild steel body architecture\u003c\/li\u003e\n\u003cli\u003eWeight: Approx. 0.7 lbs \/ 321g\u003c\/li\u003e\n\u003cli\u003eMounting Layout: Four-corner integrated mounting footprint measured at 17mm x 17mm with dedicated M5 holes (requires standard M5 machine thread screws; not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⚙️ Key Product Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior RF \u0026amp; EMI Noise Protection:\u003c\/strong\u003e The dense, seamless metal structural walls establish a high-performance continuous Faraday block. This design successfully eliminates environmental stray radio frequencies and high-voltage hum, improving overall signal clarity in Hi-Fi tube setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipped Fully Pre-Assembled for Immediate Staging:\u003c\/strong\u003e Arrives at your workshop perfectly formed with sharp alignment seams and clean edges, completely eliminating tedious alignment or sheet folding. Technicians can instantly drop the cover over mounted transformer components straight out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly Machinable Steel Canvas:\u003c\/strong\u003e Arrives with a smooth, un-drilled solid surface profile. The premium mild steel material can be easily modified, locally custom-drilled, or CNC hole-punched to accommodate specialized top wire exits, side terminal leads, or grounding lug points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Punched Toolless Knockout Fields:\u003c\/strong\u003e Stamped with precision-scored circular knockout segments on the chassis panel. This electrical-ready design allows field technicians to easily pop open wire entry corridors using a standard screwdriver, enabling clean cable routing and instant conduit attachment without tedious drilling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid Vibration-Free Fastening Base:\u003c\/strong\u003e Engineered to mount perfectly level onto the amplifier's top plate deck. Both the bracket tab layout (SH0909) and the built-in stud layout (SH0909A) ensure reliable mechanical tension to prevent humming or transformer microphonics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 25px; padding: 15px; border: 1px dashed #cbd5e0; border-radius: 4px; background-color: #fffaf0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.9em; color: #744210;\"\u003e\u003cstrong\u003e🏭 Commercial Production Runs \u0026amp; Custom CNC Punching:\u003c\/strong\u003e Planning a commercial hardware rollout? We save you valuable assembly labor. We provide factory CNC punching for any layout or socket dimension, custom powder color coatings, and high-definition silk-screen branding. Submit your specs via our \u003cstrong\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Manufacturing\"\u003eCustom Manufacturing\u003c\/a\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Quote Request\"\u003e\u003c\/a\u003e\u003c\/strong\u003e portal for a direct estimate.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sunemall","offers":[{"title":"Default Title","offer_id":50449097523423,"sku":"SH0909-blk","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6017\/5839\/files\/sh0909-steel-protective-cover-chassis-black-3d.jpg?v=1782196068"},{"product_id":"sh1010-100mm-heavy-duty-mild-steel-transformer-protective-cover","title":"SH1010 100mm Heavy-Duty Mild Steel Transformer Protective Cover","description":"\u003cp\u003eThe \u003cstrong\u003eSUNeMALL SH1010\u003c\/strong\u003e is an industrial-grade, factory-direct transformer protective cover engineered specifically for audiophiles, boutique valve amplifier brands, high-fidelity restoration technicians, and DIY tube electronic builders. Designed to cleanly enclose exposed block transformers, choke rails, or medium toroidal units, the SH1010 delivers critical electronic shielding and a high-end industrial aesthetic 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📐 Premium Magnetic Flux Containment Shield:\u003c\/strong\u003e This heavy-duty shielding block is fabricated using 1.0mm thick structural mild steel. It serves as an essential mechanical barrier that traps electromagnetic fields (EMF), drastically reducing inter-component noise induction and keeping sensitive audio preamp paths entirely clean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e🎨 Premium Protective Coating Finish:\u003c\/h3\u003e\n\u003cp\u003eGive your raw output iron, custom power transformers, or hand-wired tube layouts a clean, professional finish on the chassis:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSatin Industrial Black Body:\u003c\/strong\u003e Coated in a uniform, high-durability painted protective finish across the entire steel housing to prevent atmospheric oxidation, resist scuffs, and highlight tube filament glows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📐 Technical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e SH1010\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Style:\u003c\/strong\u003e Cube-Profile Transformer Protective Cover Shield\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody External Dimensions:\u003c\/strong\u003e Width 3.9\" (100mm) x Height 3.9\" (100mm) x Depth 3.9\" (100mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Composition:\u003c\/strong\u003e 1.0mm Heavy-Gauge Dense Mild Steel Construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Robust High-Density Baseline Approx. 0.87 lbs \/ 393g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Mounting Layout:\u003c\/strong\u003e Four-corner integrated mounting footprint measured at 17mm x 17mm with dedicated M5 holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Requirement:\u003c\/strong\u003e Fixed down via standard M5 machine thread screws (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⚙️ Key Product Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior RF \u0026amp; EMI Noise Protection:\u003c\/strong\u003e The dense, seamless metal structural walls establish a high-performance continuous Faraday block. This design successfully eliminates environmental stray radio frequencies and high-voltage hum, improving overall signal clarity in Hi-Fi tube setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipped Fully Pre-Assembled for Immediate Staging:\u003c\/strong\u003e Arrives at your workshop perfectly formed with sharp alignment seams and clean edges, completely eliminating tedious alignment or sheet folding. Technicians can instantly drop the cover over mounted transformer components straight out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly Machinable Steel Canvas:\u003c\/strong\u003e Arrives with a smooth, un-drilled solid surface profile. The premium mild steel material can be easily modified, locally custom-drilled, or CNC hole-punched to accommodate specialized top wire exits, side terminal leads, or grounding lug points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Punched Toolless Knockout Fields:\u003c\/strong\u003e Stamped with precision-scored circular knockout segments on the chassis panel. This electrical-ready design allows field technicians to easily pop open wire entry corridors using a standard screwdriver, enabling clean cable routing and instant conduit attachment without tedious drilling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid Integrated Four-Corner Base Feet:\u003c\/strong\u003e Engineered with pre-formed flush-mounting tabs stamped into the bottom corners. This configuration ensures perfectly level mechanical tension and clean, vibration-free fastening directly onto the amplifier's top plate deck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 25px; padding: 15px; border: 1px dashed #cbd5e0; border-radius: 4px; background-color: #fffaf0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.9em; color: #744210;\"\u003e\u003cstrong\u003e🏭 Commercial Production Runs \u0026amp; Custom CNC Punching:\u003c\/strong\u003e Planning a commercial hardware rollout? We save you valuable assembly labor. We provide factory CNC punching for any layout or socket dimension, custom powder color coatings, and high-definition silk-screen branding. Submit your specs via our \u003cstrong\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Manufacturing\"\u003eCustom Manufacturing\u003c\/a\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Quote Request\"\u003e\u003c\/a\u003e\u003c\/strong\u003e portal for a direct estimate.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sunemall","offers":[{"title":"Default Title","offer_id":50449363140831,"sku":"SH1010-blk","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6017\/5839\/files\/sh0909-steel-protective-cover-chassis-black-3d.jpg?v=1782196068"},{"product_id":"sh1111-110mm-heavy-duty-mild-steel-transformer-protective-cover","title":"SH1111 110mm Heavy-Duty Mild Steel Transformer Protective Cover","description":"\u003cp\u003eThe \u003cstrong\u003eSUNeMALL SH1111\u003c\/strong\u003e is an industrial-grade, factory-direct transformer protective cover engineered specifically for audiophiles, boutique valve amplifier brands, high-fidelity restoration technicians, and DIY tube electronic builders. Designed to cleanly enclose exposed block transformers, choke rails, or medium toroidal units, the SH1111 delivers critical electronic shielding and a high-end industrial aesthetic 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📐 Premium Magnetic Flux Containment Shield:\u003c\/strong\u003e This heavy-duty shielding block is fabricated using 1.0mm thick structural mild steel. It serves as an essential mechanical barrier that traps electromagnetic fields (EMF), drastically reducing inter-component noise induction and keeping sensitive audio preamp paths entirely clean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e🎨 Premium Protective Coating Finish:\u003c\/h3\u003e\n\u003cp\u003eGive your raw output iron, custom power transformers, or hand-wired tube layouts a clean, professional finish on the chassis:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSatin Industrial Black Body:\u003c\/strong\u003e Coated in a uniform, high-durability painted protective finish across the entire steel housing to prevent atmospheric oxidation, resist scuffs, and highlight tube filament glows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📐 Technical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e SH1111\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Style:\u003c\/strong\u003e Cube-Profile Transformer Protective Cover Shield\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody External Dimensions:\u003c\/strong\u003e Width 4.4\" (110mm) x Height 4.4\" (110mm) x Depth 4.4\" (110mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Composition:\u003c\/strong\u003e 1.0mm Heavy-Gauge Dense Mild Steel Construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Robust High-Density Baseline Approx. 1.0 lb \/ 480g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Mounting Layout:\u003c\/strong\u003e Four-corner integrated mounting footprint measured at 17mm x 17mm with dedicated M5 holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Requirement:\u003c\/strong\u003e Fixed down via standard M5 machine thread screws (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⚙️ Key Product Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior RF \u0026amp; EMI Noise Protection:\u003c\/strong\u003e The dense, seamless metal structural walls establish a high-performance continuous Faraday block. This design successfully eliminates environmental stray radio frequencies and high-voltage hum, improving overall signal clarity in Hi-Fi tube setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipped Fully Pre-Assembled for Immediate Staging:\u003c\/strong\u003e Arrives at your workshop perfectly formed with sharp alignment seams and clean edges, completely eliminating tedious alignment or sheet folding. Technicians can instantly drop the cover over mounted transformer components straight out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly Machinable Steel Canvas:\u003c\/strong\u003e Arrives with a smooth, un-drilled solid surface profile. The premium mild steel material can be easily modified, locally custom-drilled, or CNC hole-punched to accommodate specialized top wire exits, side terminal leads, or grounding lug points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Punched Toolless Knockout Fields:\u003c\/strong\u003e Stamped with precision-scored circular knockout segments on the chassis panel. This electrical-ready design allows field technicians to easily pop open wire entry corridors using a standard screwdriver, enabling clean cable routing and instant conduit attachment without tedious drilling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid Integrated Four-Corner Base Feet:\u003c\/strong\u003e Engineered with pre-formed flush-mounting tabs stamped into the bottom corners. This configuration ensures perfectly level mechanical tension and clean, vibration-free fastening directly onto the amplifier's top plate deck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 25px; padding: 15px; border: 1px dashed #cbd5e0; border-radius: 4px; background-color: #fffaf0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.9em; color: #744210;\"\u003e\u003cstrong\u003e🏭 Commercial Production Runs \u0026amp; Custom CNC Punching:\u003c\/strong\u003e Planning a commercial hardware rollout? We save you valuable assembly labor. We provide factory CNC punching for any layout or socket dimension, custom powder color coatings, and high-definition silk-screen branding. Submit your specs via our \u003cstrong\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Manufacturing\"\u003eCustom Manufacturing\u003c\/a\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Quote Request\"\u003e\u003c\/a\u003e\u003c\/strong\u003e portal for a direct estimate.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sunemall","offers":[{"title":"Default Title","offer_id":50449499979999,"sku":"SH1111-blk","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6017\/5839\/files\/sh1010-steel-protective-cover-chassis-black-3d.jpg?v=1782196498"},{"product_id":"sh1212-120mm-heavy-duty-mild-steel-transformer-protective-cover","title":"SH1212 120mm Heavy-Duty Mild Steel Transformer Protective Cover","description":"\u003cp\u003eThe \u003cstrong\u003eSUNeMALL SH1212\u003c\/strong\u003e is an industrial-grade, factory-direct transformer protective cover engineered specifically for audiophiles, boutique valve amplifier brands, high-fidelity restoration technicians, and DIY tube electronic builders. Designed to cleanly enclose exposed block transformers, choke rails, or medium toroidal units, the SH1212 delivers critical electronic shielding and a high-end industrial aesthetic 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📐 Premium Magnetic Flux Containment Shield:\u003c\/strong\u003e This heavy-duty shielding block is fabricated using 1.0mm thick structural mild steel. It serves as an essential mechanical barrier that traps electromagnetic fields (EMF), drastically reducing inter-component noise induction and keeping sensitive audio preamp paths entirely clean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e🎨 Premium Protective Coating Finish:\u003c\/h3\u003e\n\u003cp\u003eGive your raw output iron, custom power transformers, or hand-wired tube layouts a clean, professional finish on the chassis:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSatin Industrial Black Body:\u003c\/strong\u003e Coated in a uniform, high-durability painted protective finish across the entire steel housing to prevent atmospheric oxidation, resist scuffs, and highlight tube filament glows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📐 Technical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e SH1212\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Style:\u003c\/strong\u003e Cube-Profile Transformer Protective Cover Shield\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody External Dimensions:\u003c\/strong\u003e Width 4.7\" (120mm) x Height 4.7\" (120mm) x Depth 4.7\" (120mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Composition:\u003c\/strong\u003e 1.0mm Heavy-Gauge Dense Mild Steel Construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Robust High-Density Baseline Approx. 1.2 lbs \/ 550g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Mounting Layout:\u003c\/strong\u003e Four-corner integrated mounting footprint measured at 17mm x 17mm with dedicated M5 holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Requirement:\u003c\/strong\u003e Fixed down via standard M5 machine thread screws (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⚙️ Key Product Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior RF \u0026amp; EMI Noise Protection:\u003c\/strong\u003e The dense, seamless metal structural walls establish a high-performance continuous Faraday block. This design successfully eliminates environmental stray radio frequencies and high-voltage hum, improving overall signal clarity in Hi-Fi tube setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipped Fully Pre-Assembled for Immediate Staging:\u003c\/strong\u003e Arrives at your workshop perfectly formed with sharp alignment seams and clean edges, completely eliminating tedious alignment or sheet folding. Technicians can instantly drop the cover over mounted transformer components straight out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly Machinable Steel Canvas:\u003c\/strong\u003e Arrives with a smooth, un-drilled solid surface profile. The premium mild steel material can be easily modified, locally custom-drilled, or CNC hole-punched to accommodate specialized top wire exits, side terminal leads, or grounding lug points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Punched Toolless Knockout Fields:\u003c\/strong\u003e Stamped with precision-scored circular knockout segments on the chassis panel. This electrical-ready design allows field technicians to easily pop open wire entry corridors using a standard screwdriver, enabling clean cable routing and instant conduit attachment without tedious drilling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid Integrated Four-Corner Base Feet:\u003c\/strong\u003e Engineered with pre-formed flush-mounting tabs stamped into the bottom corners. This configuration ensures perfectly level mechanical tension and clean, vibration-free fastening directly onto the amplifier's top plate deck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 25px; padding: 15px; border: 1px dashed #cbd5e0; border-radius: 4px; background-color: #fffaf0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.9em; color: #744210;\"\u003e\u003cstrong\u003e🏭 Commercial Production Runs \u0026amp; Custom CNC Punching:\u003c\/strong\u003e Planning a commercial hardware rollout? We save you valuable assembly labor. We provide factory CNC punching for any layout or socket dimension, custom powder color coatings, and high-definition silk-screen branding. Submit your specs via our \u003cstrong\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Manufacturing\"\u003eCustom Manufacturing\u003c\/a\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Quote Request\"\u003e\u003c\/a\u003e\u003c\/strong\u003e portal for a direct estimate.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sunemall","offers":[{"title":"Default Title","offer_id":50449636786399,"sku":"SH1212-blk","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6017\/5839\/files\/sh01111-steel-protective-cover-chassis-black-3d.jpg?v=1782196757"},{"product_id":"sh1313-130mm-heavy-duty-mild-steel-transformer-protective-cover","title":"SH1313 130mm Heavy-Duty Mild Steel Transformer Protective Cover","description":"\u003cp\u003eThe \u003cstrong\u003eSUNeMALL SH1313\u003c\/strong\u003e is an industrial-grade, factory-direct transformer protective cover engineered specifically for audiophiles, boutique valve amplifier brands, high-fidelity restoration technicians, and DIY tube electronic builders. Designed to cleanly enclose exposed block transformers, choke rails, or medium toroidal units, the SH1313 delivers critical electronic shielding and a high-end industrial aesthetic at an economical factory-direct price point.\u003c\/p\u003e\n\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\n    \u003cstrong\u003e📐 Premium Magnetic Flux Containment Shield:\u003c\/strong\u003e This heavy-duty shielding block is fabricated using 1.0mm thick structural mild steel. It serves as an essential mechanical barrier that traps electromagnetic fields (EMF), drastically reducing inter-component noise induction and keeping sensitive audio preamp paths entirely clean.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003e🎨 Premium Protective Coating Finish:\u003c\/h3\u003e\n\u003cp\u003eGive your raw output iron, custom power transformers, or hand-wired tube layouts a clean, professional finish on the chassis:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSatin Industrial Black Body:\u003c\/strong\u003e Coated in a uniform, high-durability painted protective finish across the entire steel housing to prevent atmospheric oxidation, resist scuffs, and highlight tube filament glows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📐 Technical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e SH1313\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnclosure Style:\u003c\/strong\u003e Cube-Profile Transformer Protective Cover Shield\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody External Dimensions:\u003c\/strong\u003e Width 5\" (130mm) x Height 5\" (130mm) x Depth 5\" (130mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Composition:\u003c\/strong\u003e 1.0mm Heavy-Gauge Dense Mild Steel Construction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Robust High-Density Baseline Approx. 1.4 lbs \/ 639g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChassis Mounting Layout:\u003c\/strong\u003e Four-corner integrated mounting footprint measured at 17mm x 17mm with dedicated M5 holes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardware Requirement:\u003c\/strong\u003e Fixed down via standard M5 machine thread screws (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚙️ Key Product Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior RF \u0026amp; EMI Noise Protection:\u003c\/strong\u003e The dense, seamless metal structural walls establish a high-performance continuous Faraday block. This design successfully eliminates environmental stray radio frequencies and high-voltage hum, improving overall signal clarity in Hi-Fi tube setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShipped Fully Pre-Assembled for Immediate Staging:\u003c\/strong\u003e Arrives at your workshop perfectly formed with sharp alignment seams and clean edges, completely eliminating tedious alignment or sheet folding. Technicians can instantly drop the cover over mounted transformer components straight out of the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHighly Machinable Steel Canvas:\u003c\/strong\u003e Arrives with a smooth, un-drilled solid surface profile. The premium mild steel material can be easily modified, locally custom-drilled, or CNC hole-punched to accommodate specialized top wire exits, side terminal leads, or grounding lug points.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Punched Toolless Knockout Fields:\u003c\/strong\u003e Stamped with precision-scored circular knockout segments on the chassis panel. This electrical-ready design allows field technicians to easily pop open wire entry corridors using a standard screwdriver, enabling clean cable routing and instant conduit attachment without tedious drilling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRigid Integrated Four-Corner Base Feet:\u003c\/strong\u003e Engineered with pre-formed flush-mounting tabs stamped into the bottom corners. This configuration ensures perfectly level mechanical tension and clean, vibration-free fastening directly onto the amplifier's top plate deck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🛠️ Need Factory Pre-Drilling or Silk-Screening?\u003c\/h3\u003e\n\u003cp\u003ePlanning a commercial hardware rollout or small-batch custom utility production run? We save you valuable assembly labor. We provide factory CNC punching for any layout or socket dimension, custom powder color coatings, and high-definition silk-screen branding. Submit your specs via our \u003cstrong\u003e\u003ca href=\"https:\/\/myshopify.com\" title=\"Custom Manufacturing\"\u003eCustom Manufacturing\u003c\/a\u003e\u003c\/strong\u003e portal for a direct estimate.\u003c\/p\u003e\n\n\n\u003cdiv style=\"margin-top: 25px; padding: 15px; border: 1px dashed #cbd5e0; border-radius: 4px; background-color: #fffaf0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.9em; color: #744210;\"\u003e\u003cstrong\u003e🏭 Commercial Production Runs \u0026amp; Custom CNC Punching:\u003c\/strong\u003e Planning a commercial hardware rollout? We save you valuable assembly labor. We provide factory CNC punching for any layout or socket dimension, custom powder color coatings, and high-definition silk-screen branding. Submit your specs via our \u003cstrong\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Manufacturing\"\u003eCustom Manufacturing\u003c\/a\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Quote Request\"\u003e\u003c\/a\u003e\u003c\/strong\u003e portal for a direct estimate.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sunemall","offers":[{"title":"Default Title","offer_id":50449809342687,"sku":"SH1313-blk","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6017\/5839\/files\/sh01111-steel-protective-cover-chassis-black-3d.jpg?v=1782196757"},{"product_id":"sh1715-170mm-heavy-duty-mild-steel-transformer-protective-cover","title":"SH1715 170mm Heavy-Duty Mild Steel Transformer Protective Cover","description":"\u003cp\u003eThe \u003cstrong\u003eSUNeMALL SH1715\u003c\/strong\u003e is an industrial-grade, factory-direct transformer protective cover engineered specifically for audiophiles, boutique valve amplifier brands, high-fidelity restoration technicians, and DIY tube electronic builders. Designed to cleanly enclose exposed block transformers, choke rails, or large toroidal units, the SH1715 delivers critical electronic shielding and a high-end industrial aesthetic 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📐 Premium Magnetic Flux Containment Shield:\u003c\/strong\u003e This heavy-duty shielding block is fabricated using 1.0mm thick structural mild steel. It serves as an essential mechanical barrier that traps electromagnetic fields (EMF), drastically reducing inter-component noise induction and keeping sensitive audio preamp paths entirely clean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e🎨 Premium Protective Coating Finish:\u003c\/h3\u003e\n\u003cp\u003eGive your raw output iron, custom power transformers, or hand-wired tube layouts a clean, professional finish on the chassis:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSatin Industrial Black Body:\u003c\/strong\u003e Coated in a uniform, high-durability painted protective finish across the entire steel housing to prevent atmospheric oxidation, resist scuffs, and highlight tube filament glows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📐 Technical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e SH1715\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Style:\u003c\/strong\u003e Rectangular-Profile Transformer Protective Cover Shield\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody External Dimensions:\u003c\/strong\u003e Width 5.9\" (150mm) x Height 5.9\" (150mm) x Depth 6.7\" (170mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Composition:\u003c\/strong\u003e 1.0mm Heavy-Gauge Dense Mild Steel Construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Robust High-Density Baseline Approx. 2.1 lbs \/ 960g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Mounting Layout:\u003c\/strong\u003e Four-corner integrated mounting footprint measured at 17mm x 17mm with dedicated M5 holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Requirement:\u003c\/strong\u003e Fixed down via standard M5 machine thread screws (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⚙️ Key Product Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior RF \u0026amp; EMI Noise Protection:\u003c\/strong\u003e The dense, seamless metal structural walls establish a high-performance continuous Faraday block. This design successfully eliminates environmental stray radio frequencies and high-voltage hum, improving overall signal clarity in Hi-Fi tube setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipped Fully Pre-Assembled for Immediate Staging:\u003c\/strong\u003e Arrives at your workshop perfectly formed with sharp alignment seams and clean edges, completely eliminating tedious alignment or sheet folding. Technicians can instantly drop the cover over mounted transformer components straight out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly Machinable Steel Canvas:\u003c\/strong\u003e Arrives with a smooth, un-drilled solid surface profile. The premium mild steel material can be easily modified, locally custom-drilled, or CNC hole-punched to accommodate specialized top wire exits, side terminal leads, or grounding lug points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Punched Toolless Knockout Fields:\u003c\/strong\u003e Stamped with precision-scored circular knockout segments on the chassis panel. This electrical-ready design allows field technicians to easily pop open wire entry corridors using a standard screwdriver, enabling clean cable routing and instant conduit attachment without tedious drilling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid Integrated Four-Corner Base Feet:\u003c\/strong\u003e Engineered with pre-formed flush-mounting tabs stamped into the bottom corners. This configuration ensures perfectly level mechanical tension and clean, vibration-free fastening directly onto the amplifier's top plate deck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 25px; padding: 15px; border: 1px dashed #cbd5e0; border-radius: 4px; background-color: #fffaf0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.9em; color: #744210;\"\u003e\u003cstrong\u003e🏭 Commercial Production Runs \u0026amp; Custom CNC Punching:\u003c\/strong\u003e Planning a commercial hardware rollout? We save you valuable assembly labor. We provide factory CNC punching for any layout or socket dimension, custom powder color coatings, and high-definition silk-screen branding. Submit your specs via our \u003cstrong\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Manufacturing\"\u003eCustom Manufacturing\u003c\/a\u003e\u003ca href=\"https:\/\/nauj1m-em.myshopify.com\/pages\/custom-quote-request\" title=\"Custom Quote Request\"\u003e\u003c\/a\u003e\u003c\/strong\u003e portal for a direct estimate.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sunemall","offers":[{"title":"Default Title","offer_id":50449919967455,"sku":"SH1715-blk","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6017\/5839\/files\/sh1715-steel-protective-cover-chassis-black-3d.jpg?v=1782197112"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6017\/5839\/collections\/sh-transformer_-protectors-group.jpg?v=1781836370","url":"https:\/\/www.sunemall.com\/collections\/vacuum-tube-chassis-transformer-covers.oembed","provider":"Sunemall","version":"1.0","type":"link"}