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MK Sound VX-1250 manual

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Table of contents for the manual

  • Page 1

    VX-1250 Miller & Kreisel Sound, Inc. 9351 Deering A venue Chatsworth, CA 91311-5858 USA (818) 701-7010 fax (818) 701-0369 www .mk sound.com ©2004 Miller & Kreisel Sound, Inc. powered subwoofer operation manual[...]

  • Page 2

    Please record the following information for your records: Serial Number: Date of Purchase: Dealer Name: Dealer Address: City/State/Zip: Country: Invoice Number: POWERED SUBWOOFER T ABLE OF CONTENTS 1. SAFETY INSTRUCTIONS.......................................................................................3 2 . INTRODUCTION.........................[...]

  • Page 3

    POWERED SUBWOOFER 1. SAFETY INSTRUCTIONS 1. READ INSTRUCTIONS - All safety and operating instructions should be read before this product is operated. 2. RET AIN INSTRUCTIONS - The safety and operating instructions should be retained for future reference. 3. HEED W ARNINGS - All warnings on this product and in the operating instructions should be ad[...]

  • Page 4

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

  • Page 5

    Ultimately , the amount and quality of bass you get in your room are dependent on the room itself. Low frequency bass sounds are affected most by the size of the room and the method of construction used to build it. All rooms are different when it comes to reproducing bass, and in any given room, bass quantity and quality changes when the sub- woof[...]

  • Page 6

    This will give you better bass quality than using the speaker inputs, because it bypasses your amp or receiver's amplifier stage. T o connect the subwoofer in this way , simply run one or a pair of shielded RCA - RCA interconnect cables from the output jacks on your component to the "LINE LEVEL" jacks on the Subwoofer's backplat[...]

  • Page 7

    USING SPEAKER WIRE CONNECTIONS Some M&K subwoofer owners hook up their subwoofer by connecting it to their receiver or amplifier using speaker wires. T o do so, you make the same kind of connections that you would use for your satellite (or main) speakers, except that both the left and right channels go to the subwoofer . (If you are using two [...]

  • Page 8

    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 , connect both sets of speaker wires to the same output terminals. PLUGGING IN THE SUBWOOFER Once all the speaker wires or preamp interc[...]

  • Page 9

    Play a familiar CD, LP , or tape with steady , consistent bass. Set the “ PHASE ” control to the 0 ˚ position. Listen care- fully to the mid-bass (70 - 100 Hz) region — the part of the spectrum where electric or string basses and drums are found. Then, adjust the "PHASE" control to the 180 ˚ position. Now listen to the same musica[...]

  • Page 10

    With two subwoofers, simply run one speaker wire or interconnect to each subwoofer . Because the left and right channel input signals are combined in the subwoofer's input stage, the only thing this changes is amplifier gain. T o com- pensate, just set the "BASS LEVEL" control slightly higher . 10. HOME THEA TRE USAGE If you are usin[...]

  • Page 11

    B. If, after operating the woofer at high volume levels for a long time, the woofer cuts out or becomes intermittent: Y our subwoofer has a protection circuit that protects it from overheating. After hours of continuous operation at extremely high volume levels, this circuit may cut off the power to the subwoofer . When it activates, the sound may [...]

  • Page 12

    and 5:00 PM Pacific T ime, Monday through Friday , at (818) 701-7010. If you call outside these hours, leave a message, and we will return your call. Alternatively , an e-mail can be sent to service@mksound.com. DO NOT RETURN YOUR SPEAKERS T O THE F ACTOR Y FOR SERVICE WITHOUT OBT AINING PRIOR AUTHORIZA TION All M&K powered subwoofers carry a f[...]

  • Page 13

    3. If multiple subwoofers are used, place them in the same location. Stacking is best, but you can also put them side by side. Another option for multiple subwoofers is to place them in different locations. This is appropriate when you have limited choices in locating the subwoofer and none of the available locations work well. T ry to place multip[...]

  • Page 14

    3. T urn off all limiters and compressors, auto azimuth controls, auto balance controls, etc. 4. If the processor/receiver/receiver has an input level control, calibrate it per the manufacturer ’ s instructions. 5. If the component has a digital input, and you are using a source component with a digital output, always use the digital input, not t[...]