Moving tube equipment

Remember, there are thousands of tube guitar amps in use all over the globe, shipped everywhere, ruthlessly dragged into clubs and rehearsal spaces often against their will, dropped from loading ramps like my 70s Twin Reverb (saved by its Anvil case), knocked over by bar fights, roadies, angry girlfriends, angry boyfriends, large dogs, etc., and driven for days in the trunks of cars barely protected by a flimsy vinyl cover (the amps not the cars). Take your amps on an hour and a half drive? No problemo.

Travel with them in the amp. My experience is they should be re-biased when you get to the new location. Over time tubes settle in an expansion-contraction pattern when you switch them on and off and rattling them during the move disturbs that slightly. Some lint inside the tube structure might dislodge and cause the tube to operate with slightly different bias settings. For guitar amps the tubes have settled into their life with the angry musician and their partner and don't need as much attention.

Russian fighter jets didn't work well without their tubes installed while on the move.

millercarbon is absolutely correct...