SWTR-3 / 3A  Combo kit
for Data East & Early Sega Pinball Machines

This kit provides an 8 inch sub-woofer with attached network and spacer. The sub-woofer extends bass reproduction to 32 Hz. for unbelievable sound. No permanent modification is required to the pinball machine. The SWTR-3 replaces the original 8 inch speaker, while the SWTR-3A includes an adapter plate so it can replace the original 6 inch speaker. The special design of the sub-woofer network routes the low frequencies to the sub-woofer. For use on Data East and Early Sega pinball machines. Not compatible with Williams machines. The SWTR-3 / 3A kit includes new 4-inch backbox speakers and a stereo volume control for the back box speaker levels that provides for greater bass output from the sub-woofer. See game compatibility list for applications.

SWTR-3 Click on image to enlarge

SWTR-3A Click on image to enlarge