Mixed vs Same Speakers in a Horizontal 2x12?

0:00 Marshall G12 Vintage going back in the 1936 cab - why?
4:28 G12K in 1936 cab
4:31 Green Beret in 1936 cab
3:34 Green Beret in SC20 cab
4:37 G12 Vintage in 1936 cab (left hand side)
4:39 G12 Vintage in 1936 cab (right hand side)
4:42 both G12 Vintage speakers playing, wired out-of-phase (only one mic'd)
4:45 both G12 Vintage speakers playing, in-phase (only one mic'd)
4:48 G12K room mic
4:50 Green Beret / 1936 room mic
*Note how different the Green Beret sounds in the SC20 cab compared to the 1936 cab (same settings on the 6505 for both clips)
4:53 Green Beret SC20 cab room mic
4:56 G12 Vintage LHS room mic
4:59 G12 Vintage RHS room mic
5:01 Both G12 Vintage out-of-phase, room mic
5:04 Both G12 Vintage in-phase, room mic
5:07 Both G12 Vintage in-phase, back to close mic