Sounds like something you definitely should get checked out right away. Keep in mind that those treated stents that are not supposed to plug up, do plug up and quite frequently. I should know - mine did!

Gary cool
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)