It's informative to run sndpeek full-screen on the iMac in the studio when you are experimenting with the Buchla, so you can see as well as hear the sounds you're making as you make them (via waterfall display). You can run it from a terminal window on the computer by launching the terminal program and typing:

/bin/sndpeek --inputDevice:2 --outputDevice:0 <return>

You need to run Max with the following instructions:

-- Set the Audio Status window in Max to these settings (note Output Device is set to Soundflower (2ch):

You also need to create this pass-through patch in Max/MSP:

Finally, you need these two windows open that run DANTE: