The blue stuff is a 3m damping sheet and the beige is cork on the M1060. The dynamat on the m1060c, the 3m and the cork are not covering the airflow cutouts. They just dampen the magnet vibrations. I didnt notice anything bad about the mod. On the m1060 it didn't do as much as on the M1060c. the depth of the m1060 channel is more so there are more reflections. The M1060 was already wider mostly because the wood part is more shallow than the metal on the M1060c.Besides making it wider, did the diffusion do anything noticeable to the FR? Are those felt strips and dynamat on the slits? Does making it wider adversely affect the imaging?
FWIW the imaging is awesome now, wide, detailed and spacious. Hotel CA is amazing for example. Really nails the crowd.
Here is the m1060 now
