For styles with door/ open shelf: to ensure that the inside space of your custom unit can accommodate your A/V receiver or other equipment well, please use the following formula to determine the minimum dimensions:  Overall Height = Inside Height + 1.26 inches Overall Depth = Inside Depth + 0.7 inches  The width of the sections will be divided based on the overall width input for customization. We will provide more details on the production draft for your confirmation.