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