Originally posted by g1
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I'm saying that I'm seeing the noise spikes anywhere I probe in the amp. If I ground the probe clip to the probe tip itself there is no noise, so it's not the probe or a ground clip loop antenna effect picking up noise. The same tests on other amps in the same room does not have this result.
I've cleaned and tightened and checked every power/signal ground in the amp.
And yes the amp and scope are on the same outlet.
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