Sorry to hear that you're having problems with the speakers. Just to be clear, is it what I perceived to be a propelar-like sound? Does it sound to you like when there's a certain range of notes there's a flapping of something? I'm not familiar at all with the speakers and I'd be curious to know if you took off the grilles to look at them. Moreover, is the sound coming from just one speaker or from both? It would be very unusual for two speakers to suddenly fail simultaneously. I'd also like to know what the source of the music is. Is it a CD, digital, etc? The more info the better.
