Granted the measurements are limited here (and i completely understand why, who wants to measure all 19,999 Hz manually?) but it certainly appears as though some significant changes have occurred in the response.
The line is smoothed and raised from 80-125Hz, the dip around 250 virtually eliminated, and a much smoother, more shallow amplitude response between 315 and 1250. After that the changes are both pluses and minuses offsetting, but certainly would be enough to change the overall sound character of the previous room configuration.
In my enthusiast opinion i would say that the changes bring the line closer to flat than the original configuration.
I would still be curious to see more measurements in between though. I'm planning on doing either a complete 20-20 sweep if i can get software to record the numbers properly, or i may manually measure every 10 myself.
That damn ETF software (demo version) keeps giving me runtime errors. {sigh]
