Do you have an attic, basement, or crawlspace adjacent to your room? My dual infinite baffle manifolds took one sheet of plywood and was easier than your sealed subs build. The total driver cost for 8 drivers was $1000, but that has gone up. It only takes 100 watts per driver for me to reach maximum excursion at 20 Hz.
High Impact AV
- ISF Level II Video Calibrator, THX-HAA Level III Audio Designer/Calibrator
- Colorimetry Research CR-250 Spectroradiometer & CR-100 Colorimeter, Klein K10-A
- Murideo Fresco SIX-G/SIX-A Generator/Analyzer (HDMI 2.x, HDR, UHD)
- ACO Pacific and Earthworks Class 1 microphones