I always set A to my beer on the cabinet. Tune using 5/7 fret harmonics. Then tune everyone else to me. Usually winds up being about 443 on the rack tuner. Works for us and our singer sounds way better. Gives a weird almost ghostly sound to everything.
433 not 443.
An old 1976 Peavey 150 watt through a Tubeworks 4 x 12. My poor mans Marshal half stack.