I'm redoing my room treatments with 703 type panels (called Supertel in Oz) for first reflection points. I have an OB setup with live wall behind the speakers and what I want to be a dead wall behind my head. At the moment I have a king size cheapo foam mattress 5' behind my head. Now I'm...

I just registered as a new member. I am building a recording studio in my home which is in Dire Dawa, Ethiopia. I got much useful information from the articel of Ethan Winer 'Acoustic Treatment and Design for Recording Studios and Listening Rooms'. The problem I have is that most of the material...