I have a CDM9NT with a damaged midrange. The driver has a crease in it and is torn from the foam surround around the crease. Although I cannot actually hear a problem compared to the other speaker, I think I'll replace the driver in case it gets worse. Given the ease of replacing the midrange and the relatively low cost of replacement parts, I think it's a no-brainer. However, I now wonder if a new driver will have a significantly different sound signature from the original. Should I leave this alone or fix it? Should the FST in both speakers be replaced together to help maintain the tonal balance? Thanks for any help or feedback.
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