For easy and fast ordering here is the RN73 kit from RackNeve.
This kit includes the following essential parts:
- 1U 280 mm (11") deep rack mount enclosure with pre-drilled holes for XLR connectors and IEC power connector.
- RN73 front panel.
- RN73 transformers mounting bracket.
- Cusom wound power transformer with faraday shield.
- RN73 PCBs set.
You still need to get electronic parts. Detailed build instructions and complete Bill of materials are available on or site.