basstraps

How can I tell from my measurements that did bass traps are making my system's sound better and not messing up at least? For evaluating time domain performance of bass traps, which graphs should I read and how? Also, is there good rule of thumb for determining how much should I absorb? I guess I...

what the best fabric option to use for diy acoustic panels an basstraps with images from Design Fabric Printing for my diy acoustic panels an basstraps or from Contrado: Buy or Sell Artist Designs | Print on Demand...