It only goes down to 45Hz. That is nowhere the bottom of a 16ft stop, let alone a 32 ft.
So no, I wouldn’t use it for Hauptwerk. There are studio monitors that will go to 38Hz without a sub.
The M-Audio BX Subwoofer (aka SBX-10) and the Presonus Temblor T10 both allegedly go down to 20Hz.