When is flat not exactly flat?
On another thread, I showed some charts of the Audyssey Sub EQ product on my four subs. After correction, it generated (as it is supposed to do) a ruler f;at response (as measured and corrected from 15 different positions.
The before and after SubEQ response is shown below:
One would think (but apparently one would be very incorrect) that if you ran a TAcT test signal through the filter created in the SubEQ that something representing a flat line should be the result.
Check this out:
That is a huge drop from 80hz to 10hz. I need to run REW or (soon) XTZ through the Audyssey SubEQ to see what IT thinks flat looks like.