Your room has as much or more effect on the sound of your system as any other single component. You can get by spending less on room treatment, but the rest of your system can be the best most expensive equipment you can buy and it will not reach its potential unless your room is properly treated and sounds good. After the results I had, I am a true believer in room treatment.
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Blind Hog,
Onkyo TX-NR5009 Used as PrePro, Outlaw 770, Oppo BDP93, Marantz TT15S turntable, Paradigm Studio 60's main, Paradigm Studio CC 590 center, Paradigm Studio 20 surrounds, Paradigm Studio 20 rear surrounds, Pair of Paradigm Servo 15 subs, Sharp LC90LE745U 90" display, Auralex room treatment