I turned the gain down for each of my subs from the initial 11 o'clock position to 9 o'clock.
I placed the unit behind the center speaker, out of line of sight.
The test tones goes really low, almost subsonic.
Could feel the throbbing in my ears but no audible sound at times
There is no signal to indicate when the test ends, so I had to peek at the LED's to see if they were blinking or not.
Post calibration, used my RS meter to level match each individually to 72dB.
Combined output then measured ~75dB. The avr's sub trim was at 0 dB with the anti-mode active.
I did not run AudysseyXT after this as I wanted to hear if there was any difference with and without the Anti-Mode in the chain.
There is a noticeable drop in spl with the 8033, so for listening comparison, I had to reduce sub trim by -3 dB when listening to Audyssey MultiXT alone.
I must admit I was initially underwhelmed. Ran a few scenes from the AVS test discs.
The stomping footsteps in THE. HULK fight scenes felt muted. Gone was the booming shaking that I had felt previously.
In the War Of The World's pod rising scene, the sofa shskes but was more defined and came in jolts rather than a rumble.
I think I need to get used to clean bass, without the overhang and long decay.
As it was late ~11.45 pm, had to stop then. My better half needed to send the kids to school at 6.45am
Sorry for the long post!
Guess new toys brings new enthusiam