"Defender" is a pinball machine released by Williams Electronics in December 1982. Inspired by the arcade game of the same name, it features three flippers, no ramps, and a three-ball multiball mode. Designed by Barry Oursler and Joe Kaminkow, with sound by Eugene Jarvis, it is part of the Williams System 7 series with a limited production of 369 units.
On the floor at 6 locations
Rules, lamp matrix and self-test procedures
1.4 MB
Logic diagrams for CPU, sound and display boards
2.3 MB
Mentioned in passing in 2 podcasts