I've got the Producer Phase88 Rack PCI (just like the one on SOS' link above but PCI, not firewire). Pardon my poor English, the breakout box is what I meant with the interface. So yes, I have the PCI cards, breakout boxes and the cables to connect those two (plus a cable to sync the two boxes)...
I received two Terratec Producer Phase88 Rack PCI soundcards (Terratec Phase 88 Rack FW) from a friend of mine, who had been using them on his PC without any problems. I installed the PCI cards on my PowerMac G5 running on OS X 10.5.8 and installed the driver and control panel found on...