Middle Atlantic ERK-2125-CONFIG 21SP/25D ERK Rack

Name: Middle Atlantic ERK-2125-CONFIG 21SP/25D ERK Rack
Brand: Middle Atlantic
SKU: ERK-2125-CONFIG

This pre-configured 21U, 25"-deep rack ships ready to load — shelves and 15A power distribution already in place.

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Overview

Secure and Organized Equipment Storage Solution

The Middle Atlantic Products ERK-2125-CONFIG is a robust and versatile rack enclosure designed to house and protect your valuable equipment. With a pre-configured setup including shelves and power distribution, this rack provides a convenient solution for organizing your studio or data center.

Specifications:

* Rack Space: 21 Space (36-3/4") * Depth: 25" Deep * Configuration: Configured with 4 shelves and 15 amp power distribution * Finish: Black

Pros & Cons

👍 Pros

Pre-configured with shelves and PDU ships production-ready, eliminating the hours spent sourcing and mounting rack accessories separately.
21U of space accommodates full studio signal chains — input processing, routing, distribution, and power — in a single enclosure.
25" depth handles the majority of professional AV and broadcast rack-mount equipment without clearance issues.
Standard EIA-310 rail spacing ensures compatibility with virtually all third-party 1U/2U rack-mount gear.
Black finish integrates cleanly into professional studio and data center environments without drawing attention.

👎 Cons

25" internal depth is insufficient for power amplifiers or server hardware with chassis lengths exceeding 26–28", which are common in high-density installs.
The pre-configured shelf layout may conflict with equipment that needs contiguous open rack space — plan rack density before ordering.
15A power distribution is a hard ceiling; studios running high-wattage amplification or dense compute loads will need supplemental or higher-rated PDU options.
No casters or leveling feet are included in the base configuration, adding cost and a separate order for mobile or precision-positioned installations.

Frequently Asked Questions

What does "pre-configured" mean for the ERK-2125-CONFIG specifically?

It ships with 4 fixed shelves already installed and a 15-amp power strip mounted inside the rack. You're not buying a bare frame — the most time-consuming assembly steps are done.

Is 25" of usable depth enough for pro AV or broadcast gear?

For most studio gear — patchbays, preamps, signal processors, and 1U/2U audio interfaces — yes. Purpose-built rack equipment typically runs 14"–20" deep. Where 25" gets tight is with deep power amplifiers or high-density server chassis that routinely exceed 28–30".

Can I reconfigure or remove the included shelves?

Yes. The ERK series uses standard rack rail spacing, so the included shelves can be repositioned or swapped for rack-mount drawers, blank panels, or other Middle Atlantic accessories at standard 1U increments.

What's the total rack unit space, and how does the 21U layout work in practice?

21 rack spaces at 1.75" per unit gives you 36.75" of usable vertical height. With 4 shelves consuming some of that real estate, plan your layout to confirm you have enough open 1U slots for your specific gear density.

Does the 15A power distribution limit total draw from the rack?

Yes — 15A at 120V caps the rack at roughly 1,800W continuous before the breaker trips. For racks loaded with power-hungry amps or dense processing, that ceiling is a real constraint. Verify your total load before relying solely on the included PDU.