Quote:
Originally Posted by harphunt
Hey serr,
I have a USB out on a mackie board or a behringer uc200 rca to USB that my daughter used successfully.
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Aha, a combo unit then.
The thing to realize is that it's a USB audio interface and small analog mixer in the same box if that wasn't clear. You're going mixer/interface -> USB to restate that part.
You can use that Mackie audio interface together with the iMac built-in audio interface like you asked too. Use Audio MIDI Setup to make an aggregate device of the Mackie mixer/interface with the Mac's built-in output. Select this aggregate device in Reaper instead of one of the single interfaces.
Or you can use the Mackie interface by itself (Assuming it has at least 2 output channels and no restrictions on using the ins and outs together). Or make an aggregate device and use all 3 together (adding the UC200 you also mentioned).
The PCMCIA card interface will retire.