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  1. 703 vs cheap mattress foam

    Home Audio Acoustics
    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...
  2. Mattress Sponge as sound insulation and absorption?

    Home Audio Acoustics
    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...
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