Welcome to the Speakerbuilder.net discussion forum. While being polite and respectful is not common on the internet, please try not to flame people who don't deserve it. Otherwise, go nuts.
There is a project on the PE showcase of a Vifa P17WJ with Dayton Silk Tweet. The author did a nice write up on it and said the crossover desigh was done by Wayne J. There was no mention if the crossover was designed for a certain size baffle or any measurements. I was hoping someone knew. Thanks