Set up for a bar gig last night. when I powered up my DXR10s and Kemper there was a high pitch ringing,the volume was not really loud but present. powered down the kemper and the pitch got lower and a little louder. I had this happen one other time. I did lift the ground to the monitors and it got better. Wondering if a good rf filter would have helped this. Didn't see any neon signs in the bar. Anyone else have similar issues and found a good solution? Otherwise the kemper sounded awesome! Thanks.
high pitch ringing from kemper at gig.
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teleplayer364 -
December 11, 2016 at 7:34 PM -
Thread is marked as Resolved.
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Sounds like the issue was external to the Kemper, otherwise the ground-lift tweak wouldn't have alleviated the problem, albeit to only a minor extent.
Sorry mate; I've got nothin'.
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Thanks for the reply. When I unplugged the Kemper from the monitors they were dead quiet. when I plugged them back in it came back or got a little worse. Everything was plugged into the same power strip. Just curious if anyone else has had this problem.
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I've used my DXR10 at 150 or so gigs, and have never had a high pitch ringing sound problem.
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I have the same problem. What helped me, was to put a line isolator in between the monitor out of the Kemper and the line in of the DXR (input 2). I use a Radial Engineering Sb6. It seems it has something to do with ground loops.
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Thanks Ronald V. I will look into this.
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When it happens again I guess I will record it and open a support ticket. Seems as only one other person has had this problem it must be a problem with the unit.