Corrected and independently verified both RCA openings:
- Left RCA: Y −19.8824 mm, Z 7.50 mm
- Right RCA: Y −3.5028 mm, Z 7.50 mm
- Residual alignment error: 0.00 mm
- Openings: Ø12.5 mm with Ø14.0 mm lead-ins
The updated base remains a single printable solid; the lid, vents, other connector openings, and internal PLIMIT access are unchanged.