Single driver speakers. Are they worth considering ?

I don't mean electrostatic. How close to a full range speaker can you come with single driver ?
Wow, you’re opening Pandora’s box with this thread!

As with most things audio, I think this is a matter of personal preference more than anything. Any speaker design is a compromise, it’s just about which trade offs you prefer.

For myself, I ran Harbeth SHL5+ for years and thought they were my end game speakers. Until I stumbled into a pair of Omega super alnico monitors. The Harbeths are world class speakers, but they got sold and I never looked back. The sound of a well designed single driver can be addictive.

YMMV, of course.
single driver speakers have very poor higher frequency sound and cant do bass. That is the price you pay for a bit less comb filtering in the mids.
going on three years with my Omega Speakers. single drivers can dazzle, specially with their tone. you'll certainly give up some frequency. quality vs quantity - what makes you happy?
There is coherency in single driver designs that eliminates quite a bit of IMD due to crossovers. A heated up crossover can cause compression, particularly the bass/midrange crossover, and bring a hard presentation if driven. I personally appreciate the immediacy of full range drivers. Dynamics are less affected and again, as a preference, dynamics are on my list of highly desirable characteristics. 
I guess one can tell I like to crank it!
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