haven't had an opportunity yet to even things out in the main theater setup so i messed with the spare room subs instead tonight. moved both up front and level matched them at 0 on the receiver and at 75 decibels using my radio shack analog meter. sounds smoother than before but i can tell one is a sealed sub. one day i'll switch to dual sealed with the um15 package. subs measured here are the SVS PB10 NSD and Definitive Pro Sub 800. included the pre level match measurement of the prosub which seemed to fair well to an extent even though it does suck compared to an actual real sub with a wider frequency range.
Pioneer Elite SC-05
JBL Studio S312II fronts, JBL Studio S10IIs mid and S8IIs rear.
Single JBL S38 center channel
Power Sound Audio V1800, 2 MFW-15's, DIY ported UM18-22, Prosub 800
BenQ W7500 & Silverticket 110" matte white 16:9