SWTR-11  Full Speaker Upgrade Kit
 for Williams System 11 Pinball Machines

Full speaker upgrade kit for Williams System 11 Pinball Machines. This sub-woofer extends bass reproduction to 32 Hz. for unbelievable sound. No permanent modification is required to the pinball machine. The special design of the subwoofer network routes the low frequencies to the subwoofer, and the full spectrum of sound to the backbox speakers. The Network includes volume control for the back box speaker level and provides for much greater bass output and quality sound. The included wiring harness greatly simplifies installation and requires no soldering. This kit includes an 8-inch subwoofer with attached network and wiring harness, a cabinet adapter plate, one 6½-inch SP-6 speaker and one 5¼-inch SP-5 speaker with an adapter. See game compatibility list for applications.

SWTR-11 Click on image to enlarge