* Yeah, those amps were a bit out of my range. hah.

Quote Originally Posted by alancohen View Post
The entire horn opening IS the "bass port".
Not uncommon with altec. The A7 uses this arrangement when the horn is stored inside the cab.

If you'll be taking measurements while experimenting, you might do so in it's natural state, as a baseline. Or just mod one at a time and a/b.

...yup, the drivers will stick themselves to the baffle. When the goop has run (over time, temp) it can rip pieces of the cork or baffle out. Gentle is good when they are stuck, saves headaches down the road. Gravity is a friend, but you have to be ready to catch or otherwise land ~30lb of woofer.