Thanks for the above post. The recent discussions about the piezo tweeters has piqued my interest, if for no other reason than to experiment.

One further question - which other Motorola tweeters besides the 1038/1041/1056 use the same motor? From what I've found the 38 and the 41 are just different in colour, and I can't find anything on the 56. I don't care much for the horn flare on the 1038, so I was wondering what other variations could be substituted if I should ever decide to put together some One Pi's.

Thanks,
Colin