Wayne Parham Messages: 18786 Registered: January 2001
Illuminati (33rd Degree)
Well, sure, if you have some of the screen material and the open cell foam, I'll measure the speakers with and without the screen in front (at various positions and angles) and with and without the open cell foam sandwiched between screen and speaker. I'd like to also try it with a piece cut to fill the horn like Geddes does, because if the foam is just put in front of the speaker, then we have an abrupt transition at the mouth. Kinda trying to make a "medium" for sound to pass through that is relatively constant from phase plug to screen face.
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