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Old 04-26-2008, 12:27 PM
jikaru jikaru is offline
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Join Date: Feb 2008
Posts: 13
Default High Whine on Playback

Hello all,

I'm getting a high whine when I playback my Pro Tools tracks. It's less when I turn off Phantom Power but it's still there.

Any suggestions?

Jim

Computer model and processor speed - I have an iMac with 2.16 Dual Core Intel Processor
OS version - I have Tiger 10.4
Pro Tools version - 7.4
Amount of RAM installed - 3 Gigs
Number and type (firewire, SATA, SCSI, etc) of drives installed - I have an external Lacie firewire hard drive
mbox interface
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Old 04-26-2008, 01:01 PM
Phil Ogden Phil Ogden is offline
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Join Date: Jul 2007
Posts: 2,107
Default Re: High Whine on Playback

Mbox or Mbox 2 experiences whine or high pitched noise while in use
The problem is related to either the computer itself, or to ground loops induced by plugging gear into multiple outlets or just plain bad grounding. The Mbox is generally not the culprit.

The following steps can help resolve the issue:

1) Plug all gear into the same outlet and/or make sure your outlets have a good ground.
2) Use TRS (balanced) cables from the outputs of the Mbox.
3) Get a Monster 'Ultimate Performance' USB Cable
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Old 04-29-2008, 12:57 PM
15yearsonptools 15yearsonptools is offline
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Join Date: Jan 2007
Posts: 65
Default Re: High Whine on Playback

I had a similar problem coming from Amp Farm the other day. Almost like a tone generator at 15k. It went away when I reset the plug. Phil is probably right about the ground thing
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Old 05-01-2008, 10:49 AM
jikaru jikaru is offline
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Posts: 13
Default Re: High Whine on Playback

Thanks, Guys! I'll try your suggestions!
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