C9 Squeal
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Joined  2019-03-12
Posted: 12 March 2019 04:18 PM

I have a C9 pedal that has a high pitch squeal in the backgound all the time. it doesn’t matter if the pedal is engaged or not and it doesn’t matter what amp I use. I’ve tried different power supplies but nothing seems to help.

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Total Posts:  1287
Joined  2011-02-22
Posted: 13 March 2019 09:29 AM | Link to this reply (#1)

are you using the EHX supply?
Are you daisy chaining the power. That causes digital whine in the audio path unless the supply has isolated outputs.

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