Rack Unit – Definition & Detailed Explanation – Audio Equipment Glossary
What is a Rack Unit? A Rack Unit, often abbreviated as “U” or “RU,” is a unit of measurement used to describe the height of equipment that can be mounted in a standard 19-inch rack. One Rack Unit is equal to 1.75 inches (44.45mm) in height. Rack Units are commonly used in the audio industry … Read more