Last night BoomieMCT and I calibrated his setup. He was having problems with his wife's Mac (I think you can see the problem from that sentence
) so I brought over my laptop, MobilePre and ECM8k for some calibrating fun. Come to think of it, I didn't even get a beer out of the whole experience.
Anyways, after a few false starts, we finally got things rolling. Here were the steps we took:
- Baseline Sweep
- Analyze Peaks/ Filters/ Optimize
- Run another sweep to confirm -- we noticed a broad peak in the whole sub response, so we set a new bank of filters to deal with this separately.
- Analyze Peaks/Filters/Optimize
- Confirmation sweep
- Run Audessey Setup on his Denon (EQ, levels, etc)
- Run another sweep
- Boost the low end of the sub a bit (single filter at around 25 Hz, +6db, wide Q)
- Run final sweep to confirm
- Enjoy'd some scenes from Matrix and Star Wars.
It ended up being VERY flat from just above 20 Hz throughout the range. there were the usual peaks and nulls in the higher frequency region, but with smoothing it looked pretty good.
He was going to play around with boosting the sub levels to get just a bit of extra bass. But overall it sounded really good.
A side experiment: we removed one of his gigantic absorbers and found it made zero difference in the response. So he got some extra floor space out of the deal. We also found that raising one of his corner panels helped -- so REW is not just for BFD tweaking!!!
Hopefully Boom will chime in here with his own thoughts, but overall the evening was a success. Not bad for only about an hour of work (most of that moving stuff around).
Anthony
Big thanks to John for this. I don't think the DIY community thanks him enough for such a great (and FREE) tool.