Originally Posted by driedmango
Haha, yeah I know they make good speakers, I have a Esotar2 system in my car, but for home theater I find them too mellow--they are good in the nearfield (like in a car setup) but they start sounding too rolled as you move off-axis and further back due to the 1st order crossovers.
Crossovers don't affect the high treble rolloff. Also, if anything, low-order crossovers increase dispersion around the crossover point. And finally, only the high-end stuff uses true 1st order electrical
(2nd order acoustic
or higher) while the Emits/Excites use mostly 2nd order electrical which when combined with the natural 1st/2nd order rolloff of the drivers sums to a typical 3rd/4th order acoustic crossover, which is what really matters in the end.
The purpose of higher order acoustic crossovers is to decrease distortion thereby increasing sensitivity/power handling (very good things in general, of course, especially for HT.)
Meanwhile, the purpose of lower order acoustic crossovers is to reduce group delay and maintain phase coherence and timing (thought to be more important for music.) This is akin to the endless sealed vs ported sub for movies/music debate or the sealed vs ported speaker when blending with a sub debate. In reality, all passive crossovers are a compromise of all the above.
But to your point, I do agree that soft-dome tweeters don't always satisfy people for HT but do very well near-field and/or with music.