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I'm sorry you received a driver with a bent basket, call Polk CS at 1-800-377-7655 and extension 324. That's Helen Yarbor's number and she'll fix you up. I believe all of the MW6502 drivers used a stamped basket, check with Kim Jasper at extension 208. The original MW6502 are long gone. The new drivers still use rubber surrounds, as far as I know, but I haven't been with Polk for a year now.
Best regards, Ken