yep summed up pretty good above
There is a dynamic between particular speakers & particular amps. Always good to play around with combinations but use caution. Unless you can afford recones or don't have any rare vintage speakers.
I have an old ~15w tube amp I put an ancient Bell & Howell alnico film speaker in it, very light resonant cone. That thing RAWKS when it's cranked up. I bet it's just on the verge of the speaker's power handling