Bergantino used to make the HT322, which was two 10" drivers and a 12" driver. It remains the best sounding cab I've come across. So yes, mixed drivers in one enclosure certainly can sound good when done right. (NB: The HT322 weighs a tonne).
I keep asking Jim to build me a CN322.


) was a little smaller and a bit more portable. I used to have two