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TR-3/3A/3B/3C/3D Backbox Speaker Upgrades
for Data East, Sega & Stern Pinball Machines
These kits supply all the various parts and wiring needed for easy installation. They include two 4-inch SP-4 speakers, spacers, and a wiring harness with plug. For use on Data East and Sega
pinball machines. The coaxial tweeters extend the frequency range of these speakers over that of the originals. The result is better speech recognition and brighter musical backgrounds. This kit compliments the SW-3V/3VA and SW-4V/4VA Subwoofer kits. See game compatibility list for applications.
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TR-3 Click on image to enlarge
This kit includes two 4-inch SP-4 speakers, adapters, screws, and a wiring harness with plug.
This kit compliments the SW-3V series Sub-Woofer kits.
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TR-3A Click on image to enlarge
This kit includes two 4-inch SP-4 speakers, spacers, stud extenders, and a wiring harness with plug. This
kit compliments the SW-3V and SW-4V series Sub-Woofer kits.
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TR-3B Click on image to enlarge
This kit includes two 4-inch SP-4 speakers, spacers, stud extenders and screws, wiring leads and wire
nuts. This kit installs a speaker where a block-off plate is originally, and gives much better sound balance
to the game. This kit compliments the SW-3V and SW-4V series Sub-Woofer kits.
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TR-3C Click on image to enlarge
This kit includes two 4-inch SP-4 speakers, spacers, stud extenders and screws, wiring leads and wire
nuts. This kit installs a speaker where a block-off plate is originally, and gives much better sound balance to the game. This kit compliments the SW-4V series Sub-Woofer kits.
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TR-3D Click on image to enlarge
This kit includes two 4-inch SP-4 speakers, adapters, screws, and a wiring harness with plug. This kit
compliments the SW-4V series Sub-Woofer kits.
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