Originally Posted by JonnyAngle
They're sealed, but I will have a hard time keeping the same internal volume w/ a tiltback style I think.
Just make 'em a bit longer/wider or redesign them to be vented.
If these are the cabs I think they are, the internal volume is ~40L.
Before making the wedges, I'd explore other options for drivers that will work in those cabs (perhaps with slight modifications) in the future as well, not much sense IMO of limiting oneself to one driver.
Especially if a Peavey