Agree with others above. I wouldn’t want to have to choose only one cab for those 4 amps, but I answered it the way it was asked. Agree with Les about the Alnico and open back for Vox. My Red Fang is in an open back cab and my Private Jacks are in closed back Avatar deep cube, convertible back Lopo and I had one in the deep cube Avatar with the dumble like oval opening, also similar to the PRS DG cabs opening. I was able to mix open back Alnico with closed back Private Jack (greenback type) to sort of get the best of both out of those two speakers. Vox and Marshall amps both loved that combo. Surprisingly (to me) so did some Mesa amps. (Marks and TA’s loved it, Rectos not so much).
That also brings up the reason I used to have ALL 1x12 cabs. Just so I could test different types of speaker combinations with different amps. At one point I had V30s, Mesa V30s, Celestion Greenbacks (3 different models) Emi Privatae Jack (GB) Emi Wizard (H type) Emi Governor (V type) Emi Red Fang Alnico, Warehouse Lead 80 type, and Mesa C90. I sold some of the 1x12s when I got the PRS 2x12 and the Mesa 2x12. But at one point I had that variety of speakers all in 1x12s. So I could use two at a time with varying combinations with every amp I tried til I settled on what worked best for each amp. Yes, there are many speakers I haven’t tried. Fanes, Webers, even EV, and most of the Warehouse stuff and the one I want to try most, the Scumbacks. But had have versions of most of the main flavors. Still, speakers are SO important, I really want to try more.
(Les impersonation). “So why haven’t you tried more speakers then, DTR?”
“Because I’ve found they don’t sound their best til after they are broken in and the prospect of buying 4-5 more speakers to try and not knowing for MONTHS if I’ve realized their full potential yet gets old. FAST!”