As such, shouldn't any correction/equalization be done before calibrating? Here's my latest before/after in my tricky room (8'x10'x12.5'). So without equalization, if I calibrated my subs as is, they would only be "right" for the peaks at 20, 50-60, or for the trough from 25-50hz.
This is what bothers me about your supposition. I get the feeling that you are changing the LFE level everytime a movie doesn't live up to your expectations. kaboom... not enough bass, I'd better jack it up and rewind 30 seconds. KABOOM... woohoo, that was awesome. Hmm, now the music is...
Ah, yes. This is exactly the problem you will have when you don't calibrate something. You will constantly be jockeying up/down the level. When you don't calibrate your tv you have the same problem with having to constantly adjust the brightness/saturation/tint for every single movie. It's the...