I used to get the added burn in my old Yamaha T100 tube head with the master volume over 5 and kept the high output volume down by inserting a multi effect box in the serial fx loop and keeping the fx boxes volume low, in effect starving the power tubes. It seemed to me to sound great, and didn't really burn the power tubes up, but I didn't max it out, which might have kept them healthy for longer.
It's not the same as pushing massive volume thru the tubes, but it can make an improvement in the tone if you want to engage the power amp in your tone at home or apt volume levels.
There are some cheap fake "attenuater" boxes on eBay that just go in your fx loop and have a volume knob. I haven't used one, so ymmv, but it's a though (not endorsing these... Has anyone played with them?).
(I traded that head later to help pay for the original chrome V-Twin Rack, and 2020 power amp... Still kinda miss that old head lol - it had 13 preamp tubes and a great clean channel.)