Re-scale the Y-axis(dB) to 45 to 105. This will give you the 5 dB increment and proper scaling with a more normalized range. Re-scale the X axis to 10-200 Hz. When the scale is extremely out of the ordinary it has a big impact on how the FR appears. The purpose of the graph is to visually represent your FR in a meaningful manner. Having the scaling way off defeats this purpose. It is likely that you will either have to change placement, change MLP, or add another sub to fill the null. Don't you have an LV12R? They likely won't play together well in the low bass, but adding it in another location will show you what another sub will do to your FR over 40 Hz.
Is this the correct movie for the server scene? http://www.amazon.com/Pulse-Unrated-Blu-ray-Ian-Somerhalder/dp/B003Q7B7E2/ref=sr_1_1?s=movies-tv&ie=UTF8&qid=1401491492&sr=1-1&keywords=pulse
I have some annoying new rattles that have popped up with my recent increase in LFE output. Need to fix them and I figured this long, bass heavy, pulsating scene would give ample time to find them.
^ Sweet!!!! Congratulations Flydeep. It looks like you had a wonderful day!
Congrats on the upgrades and the addition of the third sub. Do you plan on putting one on the other side of the room.....near field? Should help with smoothing a lot.
I would say yes and yes, although the lower model X4000 gives the same Audysey and sub eq capability. But the 4520 has more features and power. I think the main benefit would be the dual sub outs. Use REW to get the smoothest response prior to eq. Try to eliminate nulls...peaks can be cut down with eq without detriment. The automatic room correction should make getting a smooth response over many listening positions easier, and the miniDSP can be used to customize your eq, such as a house curve or what have you.
REW download from Hometheatershack.com
Umik-1 mic from miniDSP calibrated to 10 Hz
Umik-1 from Cross Specturm calibrated to 5 Hz
MiniDSP from miniDSP so you can manually eq if desired after measuring
Advanced 2.1 plugin from miniDSP
Determine where you will locate the miniDSP, where you would like to be with your laptop while measuring, and buy the following cables of appropriate length:
HDMI that will reach from laptop to AVR
USB to miniUSB cable from laptop to miniDSP
USB to miniUSB from laptop to Umik-1 mic if supplied 8 ft(?) cable is not long enough.
Cell phone charger type power supply for miniDSP once it is not hooked up to your computer(miniUSB)