#1
Hey all, I've been having a little problem with my Roland Microcube lately, and was hoping for some advice.

The amp is less than 6 months old (got it unopened straight from a store) but already its tone is sounding more and more muddy. I play metal more than anything, and have noticed ( and yes this will sound ironic) that the distortion is sounding worse and worse. Also, its fuzzing out the lower notes more than it used to.

As for the cause, I am not 100% sure. It hasn't been in any water, and its adapter is working fine when plugged in (i regularly change the batterys too). The only thing I can think of that is different from when I got it is that my lower tuned guitar (Randy Rhoads) is strung with Ernie Ball Not Even Slinkies (12's) which tend to sound a lot more like bass strings than guitar when tuned to drop C.

If anyone here knows what might be the issue, and possibly can offer some advice or warnings, I would be very appreciative. Thank you for reading.
#2
don't know if you blew the little speaker out of the poor thing or what haha

Otherwise, check cables, do you use a guitar with active pickups? Any effects that could be the problem? Try a different guitar...make sure it is the amp first, then go from there
http://www.youtube.com/user/chuckmehh
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DBX166XL/BBE Sonic Maximizer
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#3
my other guitar is a xiphos in standard tuning with Dimarzio deactivateds, it sounds better than the rhoads ( which has jackson stock pickups) but unfortunately sounds relatively worse than it used to. Unfortunately, Roland makes microcubes so you can't open them up and tinker without destroying the casing.
#4
The same thing happened with my Cube 30. I don't know what it was exactly but I imagine it might be the speaker.