This was a folder which contained various items:
  
  History_for_dealers
  QUAD Questions and Answers
  Closest Approach "Four Owners" booklet
  Recomended CDs
  Quad 34 and 44 disc input modules list
  Testing amps with a bridge
  Comparative amplifier tests
  New developments in ESLs
  405-2 Application sheet 1
  Current dumping audio amp