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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

Summary of Contents for MX-350THX

Page 1: ...91 Jefferson Boulevard Culver City CA 90232 USA 310 204 2854 FAX 310 202 8782 1997 MILLER KREISEL SOUND CORP operation manual Manufactured under license from Lucasfilm Ltd Lucasfilm and THX are regist...

Page 2: ...REAMP 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 P...

Page 3: ...ower company 9 OVERLOADING Do not overload wall outlets or extension cords as this can result in a risk of fire or electric shock 10 LIQUID ENTRY Never spill any liquid of any kind on the product 11 S...

Page 4: ...t to the subwoofer you will not hear it as a separate source of sound In fact its deep bass will appear to come from your other speakers Therefore there is no need to place your subwoofer either betwe...

Page 5: ...Lucasfilm and THX are registered trademarks of Lucasfilm Ltd EXTENDED THX PHASE THX MODE NO LOW PASS FILTER LOW PASS FILTER 3 dB 6 dB BASS LEVEL BASS EQ 50 75 60 125 100 V A R I A B L E VARIABLE THX...

Page 6: ...HE AC LINE IT MUST BE PLUGGED INTO A SOLID AC LINE 5 CALIBRATING THE SUBWOOFER THX On the back panel of the subwoofer four toggle switches allow you to select various modes of operation Three are desc...

Page 7: ...S THX Using two subwoofers in your THX system will give you the ultimate in bass performance It will give you improved bass impact and definition as well as greater output and dynamic range If you loc...

Page 8: ...tput below about 30 Hz Its in room output will increase as you go lower in frequency due to a phenomenon known as room gain Room gain means that the bass produced by a subwoofer in a room actually inc...

Page 9: ...SOUND CORP RIGHT INPUT REFERENCE 80 Hz 24 dB OCTAVE Made in U S A T 6 AMP 120 VAC 50 60 Hz LEFT MONO SLOW BLOW ATTENTION DEBRANCHER AVANT DE REMPLACER LE FUSIBLE UTILIZER UN FUSIBLE DE RECHANGE DE ME...

Page 10: ...E CAUTION DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE REPLACE FUSE ONLY WITH SAME TYPE CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR Manufactured under licens...

Page 11: ...he BASS LEVEL control where the subwoofer sounds in balance with the Satellite speakers If the system is not working properly unplug the subwoofer and check all of your connections Call your dealer or...

Page 12: ...woofer PHASING TEST METHOD ONE Set the switch labelled PHASE to the position Then play a familiar CD LP laserdisc or tape with steady consistent bass content Listen carefully to the mid bass region of...

Page 13: ...ikely to give the best overall bass response A corner location will give you maximum bass output and sonic excitement as well as a standard to compare with if you move the subwoofer around In some roo...

Page 14: ...e four corners of the cabinet s bottom The inserts are 1 4 20 that is 1 4 inch in diameter and 20 threads per inch This is compatible with the majority of alternative spikes cones tip toes etc offered...

Page 15: ...t cables to the subwoofer but leave it plugged into the AC outlet Set the BASS LEVEL switch to the VARIABLE position Carefully turn the BASS LEVEL control up towards the MAX position If you hear hum f...

Page 16: ...rable to new owners up to three years from the date of original purchase It does not cover abuse misuse speakers purchased from unauthorized dealers repairs by unauthorized service stations speakers w...

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