Gain control question o CH1

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Cedrik Menard

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Joined
Nov 27, 2005
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Location
Chicoutimi, Quebec, Canada
Hey there,

While I was tweaking my clean tone the other night I realized that the gain control on CH1 would do a brief scratchy noise as it passes 12:00. It is perfectly smooth and silent before and past noon. I called MESA and they pointed out it could be a tube issue in either V1 V2 or V3. I swapped em around but the 12:00 scratchiness is still there. Im about to open up the amp to apply some cleaner to the pot but before I do so I want to know if you guys ever experienced something similar on the MKV. Is there something I may try ou before openning the amp?
 
Try working the pot back and forth over and over and over and over..... If the problem is a dirty spot on the pot, this should clear it up.
 

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