My wife's comp has a pair of Logitech z625 speakers. They sound fine, but they're afflicted with obnoxious potentiometer scratching that I can only briefly subdue with Deoxit. Is there a better fix?

Recently, whenever I use winamp to play CDs and I skip to a diff track while in the middle of another I get this grating scratching sound in place of the music. Stopping and restarting the track ...

Columbia’s singing barber shop quartet. The scratchy sound of records playing music in shops. The grind of Booker’s Sky Hook along a Sky Line. The familiar chug of a quaffed Vigor. The freaky haunting ...