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Mcintosh C32 static/pop when turned off

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BargainBrad

Member
I just restored a C32 with all new electrolytics and ribbon cables. It sounds truly fantastic and is functioning perfectly except for a pop/staticy noise at power off (no noise at power on). I’ve seen a few threads with similar problems but no clear solution. Has anyone solved this? Could it be a failed non-electrolytic related to the power switch?
 
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BargainBrad said:
I just restored a C32 with all new electrolytics and ribbon cables. It sounds truly fantastic and is functioning perfectly except for a pop/staticy noise at power off (no noise at power on). I’ve seen a few threads with similar problems but no clear solution. Has anyone solved this? Could it be a failed non-electrolytic related to the power switch?
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How are you determining it's the preamp and not the power amp? Do you hear it in the headphone output? Are you hearing it on the monitor output through a set of speakers?
 
I’ve used this amp for a long time and I’ve never had a pop before. Also, I turned off the amplifier first, yet still hear the pop from the preamp. Yes on the monitor output. I don’t have headphones with a plug to test that output but will get an adapter and try it.
 
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