Williams Pinball Machine System 6 7 Sound Board

  
Here is a nice Williams pinball sound board used in system 6 and 7 machines, fitted with connector for optional speech board. As found in the following games. Defender, Solar Fire, Barracora, Stargate, Cosmic Gunfight, Varkon, Time Fantasy. Gorgar, Blackout, Firepower, Black Knight, Jungle Lord, Pharaoh, Hyperball, Joust.

New electrolytic capacitors and IC sockets fitted.