LFE, Bass out, Large/small, crossover freq
I think the auto setup feature of the 2500 is pretty accurate, at least according to my ears. But I do have a few observations/questions, and they have to do mostly with the bass management part of the whole process.
I started out with a full automatic YPAO set up with a "flat" setting in stereo 2 mode. The results, to my ears, are pretty balanced. But when I look into the details of the auto-found settings here's what I find:
1. My main speakers are set to Large, which should be correct even though I read the article here advising against it.
2. My center is set to large, which I think is wrong, but sounds "good" nevertheless.
3. Surrounds are small, which makes sense.
4. Bass out is set to "Both" meaning bass is directed to both my sub and my main speakers. This is altered by the automatic setup, because I do set this parameter manually to "Sub only" before I start the auto analysis.
5. Crossover freq. is set to 40Hz even though I initially pick 80Hz manually before YPAO. Acording to the manual on page 26 regarding 'Size' "...checks the speaker's frequency response and sets the appropriate low frequency crossover for each channel." So, if the surrounds can only handle down to 100Hz, then the surround output below 100Hz would be directed to the sub. But my interpretation is that the crossover frequency could be different for the center channel for example. Any ideas on this?
Now, if I run the auto-setup bypassing the speaker size test and forcing all the speakers to "Small" the result is not so good to my ears. The whole thing sounds "thinner." I do still get bass out of the sub, but it just doesn't sound as full as when I run the full auto-set up, including speaker size tests.
I have to say that the 2500 is a wonderful machine in this respect since it can memorize up to six different settings to be recalled instantly for comparison.
Has anyone done extensive tests with these settings? Any final conclussions? Comments?