10 Acoustical Solutions also makes custom doors, as well as oversized and undersized doors, double doors, swinging doors, tandem doors and doors with or without windows. (Figs. 11 and 12) You will also need a reliable doorjamb seal that fits above the door to the wall. They make an acoustical seal which features a unique compress-omatic design with a sound-absorbing neoprene rubber gasket that compresses to form a tight seal as the door is closed. The doorjamb seals include adjusting screws for field correction of irregular clearances 11 12 Set up the electrical— receptacles and lights—before the wall goes up! that might otherwise compromise the sound performance. This ensures a tight seal for the door and the adjust feature is useful in future adjustments. Control room This is the room where everything goes down. This is where you’ll live, both to track and mix... so it’s got to be right. In the control room area we were dealing with cement walls, so this made our job a little harder. I built a floating wall system framed with 2x4s, making sure to angle all of the corners. The frames were then fastened with cement wall screws at strategic places to hold the frame tightly in place (Figs. 13 and 14). I then took more of the AlphaSorb panels and placed them on the outside frame, side by side, and screwed the panels in place. This designated wall was where we placed 40 RECORDING JUNE 2011 13