At first it was deteriorating foam and shot diaphragms, but I cleaned up the foam and put in 16 Ohm Radian diaphragms, correctly I think, but maybe not? They sound great with some music, but there is a distortion in the horn during some high loud passages, particularly noticeable in solo piano and soprano voices.
I disconnected the woofer and it's definitely a horn thing. I also removed the lens, so it's not a loose or broken lens.
I'm going to clean the magnet gap out again in case I missed something the first time and try again. But what else might the problem be? Any ideas? Someone suggested the problem might be in the crossover...? Or maybe I didn't install the diaphragm properly, although it seemed to go in pretty well.
Well, thanks for your help...