Quote Originally Posted by factotum View Post
I'm aware of that, but since the Andromeda SMBH is so much more massive than the Milky Way's you'd expect it to also be significantly larger, and thus whatever generator apparatus the core generator consists of will also have to be larger.
Large in this sense isn't large on interstellar ranges. It's 4+ lightyears to the nearest star, the radius of a SMBH will be less than one light hour.