Okay, I'm pretty sure I know what I'm gonna hear, but I just want to double check. I have a 4 ohm PR410HLF, a fine cab that is no longer made. I'm pushing it with a Fender 800 Pro that handles 800w at 4 ohms, 1200 at 2 ohms. I like the sound of the PR410, but I'm curious if adding a second 410 cabinet will require me to find another used PR, or if I can expect decent results adding an SVT410HLF, or a PN410HLF. The porting of the PN seems closer in design, and it appears to more the successor to the PR, but neither is identical in either power handling or sensitivity. Okay, my flame jacket is on, so go ahead and hit me if this is still combining cabs that are too different to expect acceptable results. P.S. This is just a consideration for the future, as I have absolutely zero current need for more volume than I get out of the single PR.