Vandersteen 1 c 90 DB would seem to hit your target go down to 38 HZ and offer superb performance from a Phase and time correct multi enclosure.
You would also be getting great drivers with close tolerance matched pair instead of paying for wood or a paint job in a Box.
Cheers John
You would also be getting great drivers with close tolerance matched pair instead of paying for wood or a paint job in a Box.
Cheers John