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440 Forums _ MOTU _ Motu 828mkii Glitches And Pops

Posted by: Drainland Fri 23 Jul 2004, 14:26

Hi,

I've had a motu 828mk2 for about a year (although haven't used it constantly) and I keep getting the occasional glitch or pop on an audio track or instrument routed through it via logic pro 6. ALthough it doesn't happen a lot - it's definitely a cause for concern. I've had the same problem with various buffer settings, different revisions of logic, different motu drivers, have trashed preferences etc. Also, it is not caused by a conflict from other digital devices connected... I can only assume it's the motu that is doing it. So what I'm wondering is : is this normal behaviour for this unit to do something like that occasionally? Or does anyone have any other suggestions that could help stop this?

many thanks!

Posted by: petermeighan Thu 19 Aug 2004, 18:35

I could be the ol' digital ins - I've had horrific experiences where my Cuemix mixes are routed to output pairs that are being sent to the house PA and the odd digital glitch comes through; it took me ages to figure out that the SPDIF/ADAT cuemix levels need to be OFF cos the unit listens on these i/ps even if there's nothing connected. The other thing it might be is a Firewire conflict - I read somewhere here that having an iSight connected causes all kinds of misery.
So, I guess check your 4 CueMixes, and pull ALL faders down to zero... [I'm assuming here it's a monitoring glitch you have]...

regards,
p.

Posted by: RegHater Thu 19 Aug 2004, 23:57

I think there may be an "issue" where some 828mkII's have the digital in's go bad and they spit out noise.... Check with MOTU tech support : )

-V