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I’m frustrated and panicked

Multimix 16 USB 2.0 unusable with fresh mountain lion installation

I've been using my Multimix 16 USB 2.0 successfully for quite some time, first on a Macbook pro running SL and the Lion followed by a mac mini running Lion and upgraded to Mountain Lion. All good.

But then I bought a Macbook Air with Mountain Lion and installed all my stuff fresh. Everything works great except for my Multimix. I get sound, but most of the time it's delayed by about 1-1.5 seconds -- totally unusable for recording for obvious reasons. Oddly, iTunes seems to work correctly but Logic doesn't, nor does audio from youtube -- same weird delay.

I sold my mac mini and replaced it with the latest generation from Apple to take advantage of the USB 3.0 ports. And wouldn't you know it? SAME PROBLEM. AAIGH! I have no functional workstation at this point.

I've tried a zillion combinations of rebooting, reinstalling, etc and am out of ideas.

At first I thought it might be some sort of problem with installing the drivers on a fresh ML box.

But I have a new thought. On key difference between my old working mini and the new boxes that are having problems is this: USB 3.0. Can someone tell me if the ML drivers have been tested on a USB 3.0 system?

PLEASE HELP!!

Thanks,
Jim
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  • I’m a little better but still concerned
    So...it wasn't until I was typing the post above that the whole USB 3 vs 2 possibility struck me. I went and dug up some old USB hubs and sure enough, *some* caused the delay to disappear completely. Thankfully, since this at least allows me to move forward with my work.

    Unfortunately, it seems that it may only be USB 1.x hubs that allow things to work properly. I don't have enough hardware to really test out this theory but I can tell you that the one clearly labeled USB 2.0 hub didn't fix the problem. Obviously this won't be too great if I need to record 16 channels at once since USB 1.x will likely choke on the data.

    Anyway...I wanted to get this info out into the intertubes so Alesis can comment and anyone else with a new box can maybe not lose their minds trying to figure out what's going on.

    Jim
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  • I’m still frustrated and now whining about the whine
    A little more info: I went digging through my drawers and found a couple more USB 2.0 hubs to test. So far, 100% of my 2.0 hubs result in the unusably delayed audio while the sole 1.x hub works. Unfortunately it seems to cause a high-pitched whine from the output of the MultiMix, but at least I can limp along.

    Alesis folks, do you have any feedback about this? No doubt it represents a potentially serious problem as more Mac devices get into the wild with USB 3.0 ports.
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