Not every situation calls for more power, this amp will cover recordings, playing at home , and probably
smaller gigs and band rehearals (if it's not a loud rock band).
Yeah, I know (it was mostly a tease). My main rig is a 50-60 watt EL34 amp running into a single 15 so similar enough in terms of volume. It's easily enough for practice or recording. Never played a small enough gig (that was a full band, nevermind hard rock) where it had enough power to keep it as clean as I would have ideally liked. Always had to push it more than I wanted, but once I did it had enough juice and cutting power (and it is not a hi gain amp - its one of them PA/vocal heads with a 4 channel mixer so designed to be a bit cleaner).
In addition to the nature of my amp, I'd suspect from the commentary so far(ballsy etc), and my experience with other Sunn models , that this one would be much dirtier than mine (also I have a master volume so that helps too) so if someone wants to play gigs through this rig, as is, in a band situation, your tone will include significant amp overdrive, which is not a bad thing, just not always the right thing. ... or go the mc2NY route (dude, very nice). ... or lower stage volume and put more bass in the monitors (which I do not recommend on principle but to each his own).