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11.     BASS LEVEL REFERENCE   
  

Use  THX  Fixed  Bass  Level  Reference  for  X10  &  X12  when  the  subs  is  connected  to  THX 
approved surround receivers or processors.  

 

 
The  built-in  bass  management  level  adjustment  in  THX  approved  surround  receivers  or 
processors will accordingly supply the sub with input gain to match the overall system volume 
adjustment.    
X8 sub can as well use the “fixed level position” for bass management control by receiver or 
processor.   
 
 
Set switch to “Variable” to activate adjustable Bass level reference volume control.  
For all X sub models the variable level control add +20dB gain at max position. 
 

 

 
 

Use  a  Sound  Level  Meter.  (A  good  quality,  inexpensive  analog  meter  –  model  #  33-4050  -  is    
available from Radio Shack stores or on their website, 

www.

RadioShack

.com.

)  Point it directly at 

the  speaker  being  measured.  Set  all  channels  to  the  same  level,  using  your  receiver  or 
processor’s  internal  test  signal.  Set  the  meter  to  “C”  weighting  and  “Slow”  response.  Set  the 
levels to 75 dB if you have a THX processor or receiver or are using the Video Essentials disc as 
a source for setting levels. (Note: some people prefer to set their subwoofers to 80 dB or even 85 
dB with the satellites at 75 dB – this is a personal preference.) 
 

 
 
        
 
 
 
       

 

 
 
 
 

Summary of Contents for X10

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Page 3: ... 8 8 VARIABLE LOW PASS FILTER CONTROL 9 9 80Hz LOW PASS FILTER 9 10 THX BASS EQ ANECHOIC MK EQ 10 11 BASS LEVEL REFERENCE 11 12 MULTIPLE SUB CONNECTION 12 13 TROUBLESHOOTING 13 14 IF YOU NEED SERVICE 14 15 SYSTEM SETUP GUIDE 15 16 SPEAKER SETUP GUIDE 16 APPENDIX A SPEAKER PLACEMENT DIAGRAMS 17 APPENDIX B SPECIFICATIONS 19 THX Please record the following information for your records Serial Number D...

Page 4: ...t up instructions and a system overview followed by more detailed information If you still have questions about your subwoofer or your system installation after you have read this manual please contact your M K Sound dealer 3 VOLTAGE INPUT POWER CORD M K Sound X Series subwoofers employ an auto detecting universal power supply to handle input voltage from 100 230VAC 50 60 Hz Europe UK Asia 230VAC ...

Page 5: ...ound receivers and processors that have pre amp outputs Please note the receiver processor line level output may be sometimes labeled Sub Sub Out SW or LFE Connect your receiver or processor line level subwoofer output to the RCA input socket Left Mono for basic operation by simply running a shielded interconnect cable with phono plugs at each end Alternatively run an RCA Y spilt cable with phono ...

Page 6: ...tellite main speakers are working properly Once you confirm that they are slowly advance the BASS LEVEL control and the subwoofer should begin to play Set the BASS LEVEL control to 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 If you still have no success contact your M K Sound dealer M...

Page 7: ...isten to the mid bass region 70 100 Hz that part of the audio spectrum where instruments like bass and drums need both the satellites and subwoofer for accurate reproduction Adjust the phase control from 0 degrees to 180 degrees Note the difference between the two settings If you hear a tighter more defined quality to the sound with better low bass reproduction with one of these options then that ...

Page 8: ... you to integrate your satellites with your subwoofer to enjoy full audio bandwidth reproduction from 20 Hz to 20 kHz The variable low pass control is a means of fine tuning the transition of sound between your satellite or main speakers and your subwoofer providing a roll off of 24dB up to 125 Hz In most systems including M K Sound systems 80 Hz is a recommendable crossover frequency for the sate...

Page 9: ...ion THX bass EQ provides low frequency response according to THX specifications down to 20Hz at 6dB Free field for models X10 X12 For X8 the position bass EQ provide low frequency response down to 35 Hz 6dB The Bass EQ Setting THX mode is the typical default setup mode for movies Optional setting for EQ to Anechoic MK EQ position adjusts the low frequency response at 20Hz to be 12dB Free field For...

Page 10: ...rence volume control For all X sub models the variable level control add 20dB gain at max position Use a Sound Level Meter A good quality inexpensive analog meter model 33 4050 is available from Radio Shack stores or on their website www RadioShack com Point it directly at the speaker being measured Set all channels to the same level using your receiver or processor s internal test signal Set the ...

Page 11: ... from a sub number one to sub number two Simply run an RCA cable from sub 1 RCA pass thru output to sub 2 input Or simply run a balanced XLR cable from sub 1 pass thru output to sub 2 input The Pass Thru output signal for RCA phono and XLR balanced sockets bypasses all internal filters The signal is identical to the input signal ...

Page 12: ...alue If the new fuse blows immediately contact your M K Sound dealer 5 If the Power LED is lit but you still hear no sound try this test Disconnect the phono interconnect cable from the back of the receiver or processor Touch the tip of the connector If you hear sound coming from the subwoofer when you touch the connector the subwoofer is working You need to look elsewhere in your system to solve ...

Page 13: ...hen the subwoofer is the source of the noise If you hear little or no hum coming from the subwoofer then the subwoofer is working properly and the problem is coming from another component 3 Hum can also be caused by AC ground loops If the subwoofer is plugged into a separate AC outlet try plugging it into the same outlet used for your receiver or processor You might also try reversing the polarity...

Page 14: ...structions will help you make sure that you cover all steps in setting up 5 1 or 7 1 multi channel systems In addition to following this list make certain that you study and understand the owner s manual for each and every component used in the system especially the processor receiver Have fun and good luck Useful Blu ray setup discs include Digital Video Essentials HD Basics and Spears Munsil Hig...

Page 15: ...them in different locations This is appropriate when you have limited choices in locating the subwoofer and none of the available locations work well Try to place multiple subwoofers at equal distances from the listening position to avoid phase cancellation 3 Surround Speaker Placement Determine the best position in the room It will probably be the position directly to the right and left of the ma...

Page 16: ...16 Appendix A Speaker Placement Diagrams Typical Surround System Speaker Placement Set up 7 1 Set up 5 1 ...

Page 17: ... 20 200 Hz 2 dB in band tolerance Amplifier Total Harmonic Distortion Less than 0 5 at 350W into 4 ohm Dimensions W38cm x H56cm x D42cm W14 96 x H22 x D16 5 inch Weight 28 kg 61 7 lbs AC Power Consumption 0 5W standby 55W average 450W maximum X12 Power Amp 400W at 4 ohm 700W peak Frequency Response 20 200 Hz 2 dB in band tolerance Amplifier Total Harmonic Distortion Less than 0 5 at 350W into 4 oh...

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Page 19: ...ematic experience to larger home theaters 3 000 cubic feet in size with a viewing distance of 12 feet or greater from the screen M K Sound X10 subwoofer is THX Select2 certified for medium sized rooms up to 2 000 Cubic foot in size with a 10 12 viewing foot distance from the screen THX Ultra2 and Select2 certified subwoofers extend to 20Hz 6dB providing deep rich bass on all soundtracks ...

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