Gottlieb Pinball Machine System 3 Auxiliary Sound Board Ma1770

  
A nice MA1770 auxiliary sound board as used in the following machines. Super Mario Brothers, Cue Ball Wizard, Street Fighter II, Tee'd Off, Wipe Out, Gladiators, World Challenge Soccer, Rescue 911, Freddy: Nightmare on Elm Street, Shaq Attaq, Stargate, Frank Thomas' Big Hurt, Waterworld, Mario Andretti, Barb Wire.