Fixing a Line 6 AX2 212

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Administrator Since: Apr 03, 2002

So, one of the amps owned by the guitarist I jam with is a Line 6 AX2 212...nice sounding rig, actually...here is the deal though, the master volume pot is REALLY noisy...on old school amps this has always been easy to fix, spray some contact cleaner on it, twist it back and forth, rinse and repeat...and often it cleaned it up just fine.

That being said, while he does have a new pot from Line 6 to put in, this pot is soldered right into a circuit board so the prospect of leaking/draining contact cleaner kinda makes me nervous...I'd hate to see something get wrecked...and he's not keen on spending money for such an apparently easy task.

Any advice or experience in dealing with these pots, or if contact cleaner could be a problem?

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Pinnipedal Czar (: 3=
Member
Since: Apr 11, 2004


Nov 29, 2011 09:32 am

I see your delema... I've heared of some stuff that 'freezes' the crud in the pot, to then be blown-out by compressed air. Is it Deoxit? Not sure, but that may be your best bet.

Administrator
Since: Apr 03, 2002


Nov 29, 2011 09:33 am

Hmmmmmmm, I was just thinking simple contact cleaner...I'll lookup other, maybe less corrosive options.

Thanks for sparking the thought.

EBONY AND ACE's
Member
Since: Jan 05, 2009


Nov 29, 2011 01:56 pm

dan,

my engineering colleagues tell the same as hue. the best for a pot is to blow out the dirt.

try to use contact spray without added oil, the oil only will make it worse after a while and the pot needs replacement. nowadays pots especially the budget priced products use simple one-way pots. not even to compare with the quality of good old day pots like in the 80\s guitars.

if you have the time to open the pot cab it is worth the effort, much easier to reach the sliding contact and the coal where the dirt and egg frying noise comes from.

and its fun to do it!
joerg


The Czar of BS
Member
Since: Dec 31, 2007


Nov 29, 2011 09:33 pm

store.caig.com/s.nl/sc.2/category.188/.f

This is usually what I use to clean out the pots on newer amps. If it gets down on the PCB, it's no big deal. Just let it dry before turning it on. Or just use compressed air to blow it off the PCB.

The only thing that I found on Line 6 that could throw you for a loop, is that sometimes they use a conductive plastic for the pots. And they could be sealed. If this is the case, then you have no choice but to replace the pot.

Administrator
Since: Apr 03, 2002


Nov 29, 2011 11:03 pm

thanks for the all info guys, good to know...the last time I work on this sort of stuff it was good old fashioned gear that was tough and didn't melt with the slightest provocation.

damn cheap new ****.

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