Owner’s Manual mtx.
INTRODUCTION BEFORE STARTING This subwoofer is perfect for excessive bass and competition use. It can also be Re-coned if needed. For more information, see the Piston Change (Re-cone Kit) section in this manual or call 1-800-CALL-MTX. • Fork Lift (or another means of lifting approximately 370 lbs.) • Electric drill • 5⁄32" drill bit • Safety glasses • T-30 Torx • Six 5⁄8"-11 bolts 1 3⁄4" long • 15⁄16" wrench or socket Thank you for choosing MTX to help you reach your ultimate goal with your vehicle.
RECOMMENDED ENCLOSURE REQUIREMENTS For Sealed Enclosures The JackHammer requires a volume of 4.2 cubic ft (net) per woofer. The woofer’s displacement is 1.8 cubic ft. The total gross volume will be 6 cubic ft. Additional ranges of sealed volumes for a sealed box is 5 cubic ft or greater gross volume. mtx.com For Vented Enclosures The JackHammer requires a volume of 8.7 cubic ft (net) per woofer. The woofer’s displacement is 1.8 cubic ft.
MOUNTING Mounting the JackHammer is nothing that can be taken lightly, quite literally. You need to follow the steps below carefully and have all the necessary equipment. You will need to be able to lift the nearly 370 lbs. subwoofer comfortably. MTX Audio recommends a fork lift for safe installation. WIRING OPTIONS Often overlooked, the installation components used to connect the entire system need to match the maximum capability of the system or you will lose performance.
T9922-22 wiring setup This figure shows the recomended amplifier connection for the T9922-22 using the MTX TE4001D amplifier. A C Since the installation of the JackHammer is a large investment in time and resources, the cone can be removed without removing the entire sub or enclosure. Re-coning the woofer is surprisingly easy. No glue is needed, just bolts, and if you followed the enclosure design it can be done without taking the woofer out of the enclosure. Directions for either procedure follow.
RED INSULATION VC1 + BLACK INSULATION VC1 - USE 3MM HEX KEY TO LOOSEN SET SCREWS TO INSTALL TINSEL LEADS RED INSULATION VC2 + USE 4MM HEX KEY TO LOOSEN SET SCREWS TO INSTALL WIRE BLACK INSULATION VC2 - (12 EACH) 1/4-14 X 3" TORX SOCKET HEAD STEEL WITH BRIGHT CHROME PLATE T-30 TORX DRIVE USE THESE TO MOUNT THE WOOFER (IF WOOFER DOESN'T NEED TO BE REMOVED FOR RE-CONING THEN THESE CAN STAY IN PLACE) (12 EACH) 1/4-20 X 1-1/4" SOCKET CAP SCREW STEEL WITH BRIGHT CHROME PLATE HEX SOCKET SIZE 3/16" REMOVED TH
© 2009 Mitek Corporation. All rights reserved. MTX, Thunder, JackHammer and StreetWires are trademarks of Mitek Corporation. Designed and Engineered in the U.S.A. Due to continual product development, all specifications are subject to change without notice. MTX Audio, 1 Mitek Plaza, Winslow, IL 61089 U.S.A. MTX002140 RevD 1/09 mtx.
