Right i just got some new valves for my orange rocker 30. I just put them in making sure the right pre amps were in v1 v2 v3. And am i right in assuming the power amps can just go in either alot?

also am i right to assume as its a class a amp i don't need to bias it. Just plug then in the right places and im good to go?

once i get confirmation of this ill plug it in and see what it sounds like.