Originally Posted by
badman
A lot of it, also, is attempting to use contouring to get top octave response out of the Ti diaphragms. The 2426 is well-damped (moreso than most Ti compression drivers, anyway), but the breakup is in the top octave, so when a design tries to squeeze that last bit of extension, they're doing so by operating it in breakup mode. I'm working on some Oblate Spheroid waveguides for them, but will use a small supertweeter to get the content above 10k, and simply accept the lobing, perhaps even rear facing as an 'ambience' tweeter.