Channels 1 and 2 of 828mkII are distorted

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Discussion related to installation, configuration and use of MOTU hardware such as MIDI interfaces, audio interfaces, etc. for Mac OSX
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Innocence_Faded
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Channels 1 and 2 of 828mkII are distorted

Post by Innocence_Faded »

The first two outputs of my mkII become heavily distorted when panned at all in Sonar, and they don't even actually pan. It doesn't do this for any of the other channels, and I restored the MOTU to factory default settings. Any ideas?
MOTU 828 mkII, Soundcraft Spirit M8, P4 System with 2 gigs ram running Sonar 4 PE and dual monitor setup, KRK RP8's, dbx 266XL, BBE 362, Rane GE14, Audix, Shure, and Groove Tubes Microphones
Innocence_Faded
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Post by Innocence_Faded »

Well I just got off the phone with MOTU tech support, they said to buy a new firewire cable and new firewire card, and if it still doesn't work I need to pay them 80 bucks to fix it. Why can't they just have a good warranty?
MOTU 828 mkII, Soundcraft Spirit M8, P4 System with 2 gigs ram running Sonar 4 PE and dual monitor setup, KRK RP8's, dbx 266XL, BBE 362, Rane GE14, Audix, Shure, and Groove Tubes Microphones
WKWizard
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Post by WKWizard »

Don't channels 1&2 have switchable gain settings (-10 & +4)? Maybe you have these switched to the wrong setting for what you're using them for.
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Smokehouse
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Post by Smokehouse »

I like the MOTU products, but I have to say that their tech support guys are a few doughnuts short of a dozen. You have distortion on only two channels, and trouble panning, and they want you to BUY A NEW FIREWIRE CABLE AND CARD????? That cannot possibly, in any reality, be a reasonable suggestion. In classic MOTU fashion, they will ask you to replace every other piece of hardware and software before they suspect their own box.

Let's be methodical about this. First, use the unit as a mixer without any Firewire. Configure the CueMix Bus 1 to be fed from Channels 1 and 2. Then feed Bus 1 out to Analog 1 and 2. This "pass through" configuration will allow you to determine if the input stages are the problem.
"I'll try anything twice."
Dell Latitude E6400 w/ WIN XP SP3, ADS Pyro 1394 FireWire
SONAR 8.5, WaveArts TrackPlus & MasterVerb, AutoTune 4.1
MOTU 828 MKIII, MOTU 828mkII, Presonus Digimax LT
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Jidis
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Post by Jidis »

Innocence_Faded wrote:if it still doesn't work I need to pay them 80 bucks to fix it. Why can't they just have a good warranty?
Maybe if we were around for the part selection/budgeting, or interface construction, we'd understand a little better. 8)

I was a bit bothered by a recent post implying that in the 'rare' event of a failed MOTU interface, you'd only be dealing with an immediate cost-free replacement. I see that happen in here, but not every time. They're often repaired (sometimes more than once), and it often costs something.

-George
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