Well, not really, but sure
I’ve built somewhere between 250-300 high end bass cabs. I’m also an authorized builder for one of the most respected designers out there. Doesn’t mean I’d win an argument against Duke Lejeune...he’d clean my clock. But I’ve kinda been working at this for years and hopefully learned a bit on the subject. Those Ampeg ‘specs’ are almost entirely meaningless. No T/S numbers, no porting details. That doesn’t make em bad cabs, they’re just not really specs.
If you’d rather soapbox than have a conversation, have at it