Did you notice it throwing out leaves right after you moved it? Same thing happened to mine when I stuck it in a spot with weak morning light, it went nuts and popped three leaves in a week. I'd leave yours right where it's happy for a while, then maybe nudge it a foot closer to the window every couple weeks if you want it brighter.

Read some forum thread about how carpet eats low end because it soaks up the vibration, and hard surfaces let the speaker push air proper. Seems like you found the same fix for six bucks.

That "slow down, hotshot" line hits different when youre running on fumes and the whole crew is watching. Question I gotta ask though: did that 20 year vet ever break down exactly why the fit-up was so jacked, or was it more of a 'figure it out before you burn the clock again' kinda lesson? Because in my experience the old heads either give you the full blueprint or they make you earn it by tearing apart your work in front of everyone. Which one was it for you?