Pick as many extension tasks as you are able from this list and put them in a suitable place in your Sound Control Systems portfolio chapter.
  1. Find out what a ‘DI box’ is, and what they are used for.
  2. When sending signals down a long cable, it’s preferable to use a ‘balanced signal’ instead of an ‘unbalanced signal’.  Explain what this means and how it means the signal arriving at the other end is of higher quality when you use balanced signals and cables.
  3. Sometimes you see a drummer on stage surrounded by a clear perspex box.  Why is this?