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Howdy,

I have a Harmony DSP 8x12 that works great. Makes great music sitting here at my home computer (Intel Nuc). I am fleshing this amp out here at my desk before moving it to my car. I run my computer on a solar powered 12v system so I have ample juice to run the amp.

I am stuck at the next step of "EQ'ing the drivers flat" prior to using Dirac 3.0 to apply room correction. I cannot get REW to make a sound. REW sees my UMIK-1 and that seems to be working well. I tried to use the REW Generator to make some pink noise but the computer will not output any sound. Like I mentioned, it plays music perfectly so I am pretty sure I have the Output Device set incorrectly. I have it set to "Speakers (Harmony DSP 8x12)" in the Output Device dropdown which is the same output as what my soundcard setting is in Windows 10 64 bit. I know this has to be something simple but I'm stumped. I've poked and prodded and switched stuff around but to no avail. Any ideas out there?

Make sure you set the input on your device to USB.  I make this mistake (and get this error) often with my DDRC-24.

So how do you like the harmony? Sufficient amp headroom? Are you able to bridge the outputs to 80w at 4ohms if you want more?