Is Symphony 64 PCIe compatible with Mac OS X Mavericks (10.9)? Chris February 23, 2021 22:17 Updated Yes! Symphony 64 PCIe is fully compatible with Mac OS X Mavericks (10.9). Please be sure to download and install the latest 10.9 compatible software package for Symphony from Apogee’s site. Click to find the latest Symphony Software Installer Comments 0 comments Article is closed for comments.