Even so this sort of impedance and -phase angle load that the Sasha presents in the bass needs a lot of current to drive, and BJT’s do that better than Mosfets can.
https://www.stereophile.com/images/archivesart/710Wilfig1.jpg
Cheers George
https://www.stereophile.com/images/archivesart/710Wilfig1.jpg
Cheers George