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page 2V-1250THX subwoofer
TABLE OF CONTENTS
1. SAFETY INSTRUCTIONS................................................................................................ 3
2. INTRODUCTION .............................................................................................................. 4
3. WHERE TO PLACE YOUR SUBWOOFER ..................................................................... 4
4. OPERATION WITH THX COMPONENTS ....................................................................... 5
CONNECTING THE SUBWOOFER TO A THX CONTROLLER ............................................................ 5
TESTING THE SUBWOOFER (THX) ........................................................................................................... 7
5. CALIBRATING THE SUBWOOFER (THX) ..................................................................... 7
OPERATION OF THE "LOW PASS FILTER" AND "BASS LEVEL" SWITCHES.......................................... 7
SETTING SUBWOOFER LEVEL (THX) ....................................................................................................... 8
USING TWO SUBWOOFERS (THX)............................................................................................................ 8
6. OPERATION WITH A NON-THX CONTROLLER ........................................................... 8
OPERATION OF THE "LOW PASS FILTER" SWITCH ............................................................................... 8
OPERATION OF THE "BASS LEVEL" SWITCH .......................................................................................... 9
WIRING WITH A NON-THX PROCESSOR.................................................................................................. 9
USING THE SUBWOOFER WITH THE M&K HP-80 OR VF-80 HIGH-PASS FILTERS ............................11
TESTING THE SUBWOOFER (NON-THX) ................................................................................................12
SETTING SUBWOOFER LEVEL (NON-THX) ............................................................................................12
USING TWO SUBWOOFERS (NON-THX) ................................................................................................12
7. SATELLITE/SUBWOOFER PHASING TEST................................................................ 13
8. TROUBLESHOOTING ................................................................................................... 14
IF YOU NEED TO REPLACE THE EXTERNAL FUSE...............................................................................15
9. IF YOU NEED SERVICE ................................................................................................ 16
10. SPECIFICATIONS.......................................................................................................... 16
11. CABINET MAINTENANCE ............................................................................................ 16
WIRING DIAGRAMS
FIGURE 1 ONE SUBWOOFER TO A THX CONTROLLER ................................................... 6
FIGURE 2 TWO SUBWOOFERS TO A THX CONTROLLER ................................................ 6
FIGURE 3 ONE SUBWOOFER TO A SURROUND CONTROLLER (NON-THX) .................. 9
FIGURE 4 TWO SUBWOOFERS TO A SURROUND CONTROLLER (NON-THX) ............. 10
FIGURE 5 ONE SUBWOOFER TO AN AMP OR PREAMP (NON-THX) ............................. 10
FIGURE 6 TWO SUBWOOFERS TO AN AMP OR PREAMP (NON-THX) .......................... 11