If its double wall, then you have the option of making the walls non-parallel, which will help. A TACT RCS 2.2x might be a cheaper solution!
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Trying to build a near ref. listening room? Help
I am trying to build a near ref. listening room in my new construction basement. I need the most help isolating the ceiling. I am planning on using double wall construction for the interior walls. Dimensions are appx. 14.8'x22'x9'. Also planning on running the heat vent into a side wall inbetween the concrete blocks so not to compromise the ceiling or interior wall integrity. Regarding lighting, will wall sconces hurt. What about electrical outlets? Your help is greatly appreciated. Tim