Thanks for your reply. I'm familiar with having to do this for some installations, but was never given that option for this. Will try again though, see if that pops up.
Ugh, still not allowed to post links :(
I've got an older Alesis MultiMix 16 Firewire mixer that I'd LOVE to use with a newer MacBook Pro (2017 High Sierra, might upgrade to Mojave). This is a rather old unit (2007ish?), but acts as a great 16 channel analog mixer + 18 channel audio interface (16 individual POST FADER/EQ channels + a...