audible interference issue please help

  • Thread starter Thread starter gingerwarrior
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gingerwarrior

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here is our situation:

we have a toshiba notebook that requires an interface for the line in to plug our mixer into. our interface is a behringer uca202 and our mixer is a koda kd238. it appears that when connected they seem to create an audible interference that comes through the recording and is present in the monitor speakers when just sitting there switched on.

when isolated the mixer and the interface appear to be working fine, but together they create this noise, making the setup unsuitable for recording with.

we have tried plugging into different main outlets around the house to eliminate any circuit problems we may or may not have to no evail.

tried also to reposition equipment in case the problem was some sort of positioning thing.

please please please if anyone has come across this problem before or knows what causes it then please please please let us know. as we are now at what some would call our wits end.
 
i have had a similar problem, try unplugging the laptop and running off the battery, that fixed the problem for me. must be a bad ground or something :)
 
mikeyhasnobones said:
i have had a similar problem, try unplugging the laptop and running off the battery, that fixed the problem for me. must be a bad ground or something :)
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I've had this happen too with my macbook pro. Loud hum until you unplug the power cord to the mac and run on battery power. I've also had a loud hum coming from the monitors. I finally had to plug the monitors into a power strip on a really long extension cord and ran around the house plugging it in until it finally stopped. Now when I want to mix, I have to run this long extension cord out of the room. Keep trying different units in different outlets, or you may even think about getting a power conditioner. They don't always solve the problem, but they're generally a good idea for recording gear.
 
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