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Sc0rch

Pod Xt Pro Crackling Output

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I'm having some major crackling issues on the right side with my POD XT regardless of whether it is connected to (just headphones, front of combo, whatever).  Whenever I hit a note on whatever preset there's some crackling, and then as the note dies off the crackling stops immediately (after about 1.5 seconds after the note was initially struck).  The "CLIP" indicator doesn't show, and I've tried messing with the output and channel volumes (one all the way up, the other turned mostly down, vice versa) but nothing helps.  

 

I reflashed the unit with the latest firmware via line 6 monkey, it's still doing it.

 

for the record. I run this into a Carvin DCM200L power amp to a 2x12.  the crackling is happening on the right side for ALL outputs (1/4", XLR,  and headphones). I also tried sending the right signal to the EFFECTS RETURN of a tube amp, same result. The problem is DEFINITELY happening internally with this POD XT PRO..

 

 

What could be the problem?

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PROBLEM SOLVED !!

 

Today I opened up the unit. removed the connections to the board that has all the control pots. then took a can of D5 De-oxit and sprayed all the contacts of the connectors, and sprayed into every pot as well. turned the pots back and forth a dozen times to work the deoxit in well to clean the pot's wipers, put the connectors back on and tested. the crackling went away !!! put the unit back together and put it back in the rack case. Ready to rock once again! :)

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It's a delicate connection in those areas, any oxidation and snap crackle pop, lol. Thanks for the rundown. Remember electricity flows along the outside of a surface not thru the inside of it.

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 Remember electricity flows along the outside of a surface not thru thru the inside of it.

 

Um.....  what??   Not sure where you're going with that. 

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Um.....  what??   Not sure where you're going with that. 

 

If a conductive surface oxidizes in any way it's conductive properties is reduced. Exaggerated example: If your car or truck battery terminals become corroded from acid or salty air it's ability to feed the appropriate current to ther starter motor is reduced, if you clean the terminals outer surfaces and all areas of conduit it will be improved considerably. When this sort of thing happens to a device that uses low voltage/current it's easier for corrosion or oxidation to stop it from passing it's electrical flow.

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If a conductive surface oxidizes in any way it's conductive properties is reduced. Exaggerated example: If your car or truck battery terminals become corroded from acid or salty air it's ability to feed the appropriate current to ther starter motor is reduced, if you clean the terminals outer surfaces and all areas of conduit it will be improved considerably. When this sort of thing happens to a device that uses low voltage/current it's easier for corrosion or oxidation to stop it from passing it's electrical flow.

 

ah ok, I thought you were being sarcastic. I really gotta get out more..... lol  Yes, i'm aware of oxidation, that's why I sprayed everything out that dealt with the front circuit board. It definitely needed it, it was SO dirty inside, everywhere. I also used a can of compressed air to get rid of dust and dirt before spraying the de-oxit. I bought this rack used and had no idea of the previous owner's usage. It's as clean now as if just coming off Line 6's assembly line.

 

20 years as an electronics technician here.  

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