[Kingrsl]

Yes, I did that next step and the resulting graph was flat all the way across. It's the measuring step that has me confused. I'm not sure if I calibrated the SPL meter correctly. Do I connect the soundcard output to my receiver and use the test tones in REQ?I adjusted the volume on my AVR until I achieved 75db, then set it accordingly in the SPL window. Then when I took some room measurements with the default sweep, it said I was at 85db from 30hz up to around 10k and from 30hz down the meter jumped to 130db. I love my sub but I know thats not right! I forgot to save my graphs so I'll redo it in the morning to show. Thanks in advance.