I've thought for a long time that amps and speakers go through a break in period, but I may be horribly misguided. LOL But, I don't have the technical expertise in that field to know that. Just a misguided enthusiast... :-)
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Main room
Epson 5025UB
120" Visual Apex fixed screen
Outlaw Model 7900
Outlaw Model 5000 (for the ceiling speakers)
Marantz AV7702 MK2
Oppo BDP-105D
Axiom M80's, GoldenEar Super XXL, GoldenEar Aon 3's (sides and rears), GoldenEar HTR 7000's (in-ceiling for Atmos/DTS:X)
Outlaw LFM1-Plus and EX
Directv HD DVR
2 HD Monster Power centers
PS3
Harmony One