"As for the tuning of the 10-driver and 12-driver models, he wasn't exactly sure yet how they would be tuned, but he expects one of them to have a 'natural' tuning, and the other to have a more 'bassier' tuning."
Again just a guess, but the A10 is the natural tuning and the A12 is an A10 with two additional bass drivers for the bassier tuning.
I wonder if there will be an option to order the A10 in universal form?
I think it'll be A12 with a natural tuning and A10 with a bassier tuning? Since only the 12 drivers can be divided evenly into the 3 frequency categories
12 drivers = 4 low, 4 mid, 4 high
10 drivers = 4 low, 3 mid, 3 high