Followed advice, originals back in for now, but right now i'm waiting for a pair of quiet fans to be delivered, because the stock ones are too noisy, so the amp is out of the box.
I have been mulling over other drivers , just maybe for the future, and like the look of the Beyma 10G40 at Blue Aran
https://usspeaker.com/beyma 10G40-1.htm