Hey JerryL,
As a@a.com stated, that is one sweet pro-style rack install. Your installer managed to make an incredibly complex whole-home AV/automation system look clean and simple. Most impressive!
A little off topic: After rereading the entire thread, I noted there was no mention of any low frequency room treatment in your gorgeous
media room. You do describe the (beautifully disguised if I might add) mid-to-high frequency diffusive and absorptive room treatments that are inset into your walls (behind colored GoM fabric panels, I presume?) but no indication of any bass trapping. I read through your adventures with MRC and saw your before and after graphs. The response trend is notably smooth but even after MRC it still exhibits a strongly rising trend at lower frequencies with a substantial mid-bass bump and ringing. The waterfall plots suggest your mid frequency acoustics on upwards have been addressed brilliantly by the wide band in-wall treatments. The graphs also suggest that you could seriously benefit from corner bass trapping and perhaps some further speaker repositioning (pull the front three a little further into the room?) to pull down that mid-bass bulge and reduce the mid-bass reverberation time. Floor to ceiling stacks of 20" or 24" diameter ASC Tube Traps in the four room corners would no doubt work a treat on your mid bass bump. ASC will cover 'em in the same color GoM fabrics used elsewhere in your room. A complimentary color and the sheer size of your room (I'm rather jealous BTW
) will ensure that the large diameter cylindrical traps aren't an eyesore.
In my experience,
at mid-bass frequencies on-upwards, passive acoustic treatment makes much more audibly significant differences than electronic treatments. IMHO electronic room treatment like MRC or parametric EQ is best applied as icing on the cake of an already acoustically optimized room and gear set-up. This allows the end-user to realize 100% of the performance potential they purchased.
Happy Trails!
Vince@Freewheelcycle.com
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