I was talking to a friend who has made custom Be diaphragms for JBL large format drivers... he told me that his Be diaphragms will work with 2440(375) motors but not 2441 motors as the gap depth, not width, is shorter and the new diaphragms will not fit properly. I have always been under the impression that the 2441 was a 2440 with a different diaphragm.

I know oldmics has a collection of older 375s, if anyone could verify the gap depth of the 375 or 2440 vs. the 376 or 2441 I'd really appreciate it.

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