My amp suddenly is all muddy whenever i play chords with a lot of treble in them. Single strings sound fine, but any combination of the top two strings makes for a fuzzy distorted signal rather than the strummy acoustic chord i was going for. While the amp sounds great on songs that could use a bit of fuzz, it’s a total waste for others like “Under My Skin” that are meant to be totally acoustic. Argh. That’ll teach me to buy stuff at pawn shops…