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MK Sound MX-90 manual

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Table of contents for the manual

  • Page 1

    Miller & Kreisel Sound Corporation 10391 Jefferson Boulevard Culver City, CA 90232 USA (310) 204-2854 FAX (310) 202-8782 © 1994 MILLER & KREISEL SOUND CORP. operation manual MX-SERIES: MX-2000, MX-1000, MX-1000cc, MX-100, MX-90, MX-80, MX-70 V -SERIES: V -125, V -100, V-90, V -1B, V -2B, V-3B, VX-4, VX-7 powered subwoofers powered subwoofe[...]

  • Page 2

    page 2 powered subwoofers T ABLE OF CONTENTS 1. SAFETY INSTRUCTIONS.............................................................................3 2. INTRODUCTION..........................................................................................4 3. WHERE T O LOCA TE Y OUR SUBWOOFER.............................................4 4. SUBWOOFER H[...]

  • Page 3

    pa ge 3 powered subwoofers 1. SAFETY INSTRUCTIONS 1. READ INSTRUCTIONS - All safety and operating instructions should be read before this product is operated. 2. RETAIN INSTRUCTIONS - The safety and operating instructions should be retained for future reference. 3. HEED WARNINGS - All warnings on this product and in the operating instructions shoul[...]

  • Page 4

    page 4 powered subwoofers 2. INTRODUCTION Congratulations! You have just made perhaps the most exciting and dramatic addition that you could make to your audio or audio/video system. The new dimension of deep and powerful bass provided by your M&K Subwoofer will thrill and excite you. We encourage you to read this owner's manual, as there [...]

  • Page 5

    pa ge 5 powered subwoofers Look at the back panel of the Subwoofer. You will see two RCA input jacks labelled "FROM PREAMP," and two sets of speaker wire input terminals labelled "FROM AMPLIFIER" and "TO SPEAKERS." You must choose to use either the speaker wire inputs or the RCA jack inputs . ST AND ARD AMPLIFIER/SPEAK[...]

  • Page 6

    page 6 powered subwoofers You now have two options for connecting your Satellite speakers. SA TELLITE SPEAKER WIRING OPTION 1 With this option, you connect the wiring for the Satellites directly to the Subwoofer. There is no performance advantage with this method, but it may require less speaker wire and be more convenient. 1. Run speaker wire betw[...]

  • Page 7

    pa ge 7 powered subwoofers FIGURE 2 - SA TELLITE SPEAKER WIRING OPTION 1 (ALSO SHOWS USE OF THE V-125's HIGH-LEVEL HIGH-PASS FILTER) If your Amplifier has two sets of speaker outputs (e.g., A and B), you can connect the Satellites to one set and the Subwoofer to the other. But if you get weak or no output when you connect your speaker this way[...]

  • Page 8

    page 8 powered subwoofers Unless you have a V-125, a full-range signal (including deep bass) is fed to your Satellites. To roll off (filter) the signal fed to the Satellite speakers to achieve true biamplification, you must: 1. Have a separate amp and preamp OR a receiver or integrated amp that allows you to separate its amp and preamp stages. 2. A[...]

  • Page 9

    pa ge 9 powered subwoofers the left Subwoofer and the right interconnect cable to the right Subwoofer. WIRING WITH THE LP-1S & VF-100 ELECTRONIC HIGH-P ASS FIL TERS The M&K LP-1S and VF-100 Electronic High-Pass Filters can improve the performance of any system that allows for separation of its preamp and power amp stages by filtering the ba[...]

  • Page 10

    page 10 powered subwoofers PLUGGING IN THE SUBWOOFER Once all the speaker wires or preamp interconnect cables are in place, you are ready to plug in the Subwoofer. Set the "BASS LEVEL" control to "MIN". Then plug the AC cord in. You should hear a thump from the Subwoofer. This is the normal sound of its power supply charging and[...]

  • Page 11

    pa ge 11 powered subwoofers Now listen to the same musical passage as you did earlier, concentrating on the mid-bass region. If you hear less bass, the original connections were correct. If you hear more bass, the new connections are correct. If you have two Subwoofers, perform one test for each Subwoofer. When you perform each test, make sure the [...]

  • Page 12

    page 12 powered subwoofers the "BASS LEVEL" control slightly higher. 8. FINE-TUNING SUBWOOFER PLACEMENT If you have the physical space in your room and the interest to experiment with the placement of your Subwoofer, you may be able to optimize its location and sound. If you want to do this, listen to the Subwoofer after it is hooked up, [...]

  • Page 13

    pa ge 13 powered subwoofers In some cases, however, you may prefer the subwoofer set to a higher playback level for video sources. This may occur when video sources (especially older films and some television) have very little deep bass present. You may also want to exaggerate the effect to make spectacular video sources even more impressive! When [...]

  • Page 14

    page 14 powered subwoofers . producing a "boomy" sound if it is located in a corner. Always try the subwoofer first in a corner. If it sounds "boomy," move it a few feet out of the corner. 2. While your Subwoofer performs perfectly well directly on the floor, the distortion cancellation of its push-pull design and its frequency [...]

  • Page 15

    pa ge 15 powered subwoofers c. Check the red LED on the Subwoofer's back panel. If the LED is not lit, check the AC fuse next to the LED. Unplug the Subwoofer before changing the fuse. See instructions on Page 15. If the element inside the fuse is broken, replace the fuse. If it blows again, contact your dealer or M&K. d. If the red LED is[...]

  • Page 16

    page 16 powered subwoofers probably coming from another component. 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 amplifier or receiver, or reverse the polarity of its AC plug. If these suggestions do not solve your problems, contact your dealer or[...]