dropoff

I am doing sub sweeps and am experiencing something I don't think is correct. I have set the volume to 74db as confirmed by my SPL meter. When I run the sub sweeps, the sound level drops rather quickly at around 80hz and you can barely hear the remainder of the sweep. The "Make a...

Hi all, I hope this is in the correct forum, as it does pertain to REW settings. I don't remember where, but I read that my Denon AVR-2105 has a crossover drop-off of 24db/octave. So, that is what I have been using in REW. This morning, I read in another post that Denon typically used 24...