next round of room analysis
i did a bunch more measurements today after installing the bass traps. below are the waterfall plots from 7 different mic locations in the room. here are the results from the original analaysis for comparison. frequency and dB ranges are the same, but be aware that the time scale is different. the traps have significantly decreased the reverb time of the room and brought it more in line with what would be appropriate for that size room. so the previous time scale went from 0-1000ms while the new one goes from 0-500ms.
the area around 60-70hz (particularly right around 60hz) has been MASSIVELY improved by the traps. the region just above 300Hz no longer rings out like it used to, but it could still stand to be tamed a bit with a helmholtz on the wall. there are still dips leading up to 100Hz, but they're not as bad as before. don't know what's up with the spikes @50hz. i need to look into both of those some more.
overall i'm extremely happy with what i'm seeing.