Hello all! I need help diagnosing my venerable SDA2's. The tweeter on my left channel keeps shutting down at moderatly high volumes. The right channel never. I'm wondering if it's likely to be the tweeter itself of since it sounds a little different (mostly seems to be in the midrange) or if it's more likely the crossover sending out of band components to it. Recommendations are welcome. Myself I was thinking of purchasing 2 new crossover's and tweeters.