Middle Atlantic Custom Shelf, 6 RU, 20.5"D, Anodized

Discover a smarter, cleaner way to outfit standard 19" enclosures with the Middle Atlantic Custom Shelf. Built around the innovative RSH custom rackmount system, this 6 RU shelf is engineered to accommodate a wide range of components without forcing you to modify the enclosure itself. The 20.5" depth provides ample room for deep front panels, robust cabling, and essential cooling clearances, while the anodized finish delivers long-lasting durability and a professional, corrosion-resistant surface. Whether you’re assembling a live sound rig, a video distribution cabinet, or a compact IT enclosure, this shelf makes it simple to achieve a precise, flush install that looks as good as it performs.

With RSH custom rackmounts, virtually any component can be mounted in a standard 19" enclosure by simply tailoring the face opening to match the component’s front. This means less guesswork, fewer modifications, and a neater appearance—every install benefits from a perfectly trimmed opening that fits snugly around the equipment face. The result is a clean, professional look that enhances airflow, simplifies cabling, and reduces the risk of equipment interference from misaligned components. The Middle Atlantic Custom Shelf is designed for installers who demand reliability, precision, and ease of service in demanding environments such as broadcast studios, corporate AV systems, rehearsal spaces, and data centers.

In addition to its precise fit, this 6 RU shelf provides generous mounting depth for larger cards, power supplies, and front-access connectors. The anodized aluminum construction stands up to daily use in stage environments or busy rack rooms, resisting wear, fingerprints, and routine bumps. The shelf’s finish pairs beautifully with other Middle Atlantic products, protecting assets while maintaining a sleek aesthetic that compliments any rack layout. Installation teams appreciate the predictable geometry and consistent tolerances offered by RSH-based solutions, which translate into faster builds, repeatable results, and fewer surprises on site. If you’re upgrading an existing rack or building a new one from the ground up, the Middle Atlantic Custom Shelf is a reliable, scalable foundation for expanding your rack capabilities.

• Precise, face-opening customization: RSH custom rackmounts are cut to provide a perfect opening for the mounted component’s front panel, ensuring a neat, gap-free presentation with minimal gaps or overhang.
• Standard 19" rack compatibility: This shelf is designed to live in any standard 19" enclosure, enabling seamless integration with existing gear racks and cabinet systems.
• Durable anodized finish: Anodized aluminum delivers resistance to corrosion, fingerprints, and wear, maintaining a professional appearance even in high-traffic environments.
• Generous 20.5" depth: Optimized for larger front panels and deeper cabling, connectors, and cooling paths without crowding the rack.
• Versatile for AV, IT, and pro audio: A robust platform for a wide range of components, from signal processors and power modules to servers and storage devices, all mounted with a clean, professional look.

Technical Details of Middle Atlantic Custom Shelf

• Rack units (RU): 6 RU
• Depth: 20.5 inches
• Finish: Anodized
• Material: Aluminum
• Enclosure compatibility: Standard 19" rack or cabinet
• Face-opening customization: Precisely cut to fit the front of the mounted component for a professional, flush appearance

How to install Middle Atlantic Custom Shelf

Installing the Middle Atlantic Custom Shelf is designed to be straightforward, with the goal of preserving a clean, professional rack appearance while maximizing component accessibility. Follow these general steps to achieve a secure, flush install within a standard 19" enclosure:

• Prepare the rack: Ensure your enclosure is clean and that the front rails are aligned. Identify the mounting location that corresponds to the 6 RU height and verify that there is adequate clearance for the component’s front face and cable management area at the back of the rack.
• Align the shelf: Position the shelf between the rack rails so that the custom face opening aligns with where the component’s front panel will sit. The RSH design should allow a precise match between the component face and the shelf opening for a seamless fit.
• Secure the shelf: Use compatible rack screws or mounting hardware appropriate for your enclosure’s rails to fasten the shelf to the front and rear rails. Ensure the shelf is level and firmly seated to prevent any rack movement during operation or transport.
• Attach the component: Slide the component into the face opening, guiding any connectors through the back to the rear of the rack. Confirm that the component’s front face sits flush within the opening and that there is no binding against the shelf edges.
• Cable management and testing: Route cables neatly to avoid pressure on front-panel connections. Power up and perform a basic functional check to confirm that the component is seated correctly and that ventilation paths remain unobstructed.

Because the RSH custom rackmount approach is designed to minimize modification, you gain a fast, repeatable installation process. The 20.5" depth provides room for cable bundles, power strips, and cooling devices without crowding the front of the rack. This makes troubleshooting and future upgrades simpler, as components can be swapped or repositioned with minimal disruption to surrounding equipment. For installers who demand a clean aesthetic and reliable service life, the Middle Atlantic Custom Shelf is a practical choice that complements a broad ecosystem of Middle Atlantic products and rack accessories.

Frequently asked questions

• What does 6 RU mean for this shelf? It designates the vertical space the shelf occupies in a rack, equivalent to six quarters of a standard 1.75" rack unit height. This provides ample room for mid-size components while allowing space for comfortable cabling and airflow.
• What is the depth of the shelf? The shelf has a depth of 20.5 inches, offering enough room for deeper front panels, power supplies, and cabling while maintaining compatibility with standard 19" racks.
• What finish does it have? The shelf is finished in anodized aluminum, delivering durability, corrosion resistance, and a professional appearance that ages well in demanding environments.
• Is this shelf compatible with all 19" racks? Yes, it is designed to fit standard 19" enclosures and cabinets, making it suitable for a wide range of installations and configurations.
• Can I tailor the face opening to my specific component? Yes. The RSH custom rackmount system is engineered to provide a perfectly trimmed opening that mirrors the component face, ensuring a flush, clean look with minimal gaps or misalignment.