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operation manual
V-850
V-851
TM
Miller & Kreisel Sound, Inc.
9351 Deering Avenue
Chatsworth, CA 91311-5858 USA
(818) 701-7010 fax (818) 701-0369
www.mksound.com
©2002 Miller & Kreisel Sound, Inc.
powered subwoofer
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POWERED SUBWOOFER TABLE OF CONTENTS 1. SAFETY INSTRUCTIONS...............................................................................................3 2. INTRODUCTION.............................................................................................................4 3. WHERE TO LOCATE YOUR SUBWOOFER................................................................4 4. SUBWOOFER HOOK-UP...............................................................................................5
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POWERED SUBWOOFER The exclamation point within an The lightning flash with arrowhead, CAUTION: equilateral triangle is intended to within an equilateral triangle, is TO PREVENT THE RISK OF ELECTRIC SHOCK, alert the user of the presence of intended to alert the user of the DO NOT REMOVE COVER (OR BACK). NO USER- important operating and mainte- presence of uninsulated “dangerous SERVICEABLE PARTS INSIDE. REFER SERVIC- nance (servicing) instructions in voltage” within the product's enclo- the liter
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POWERED SUBWOOFER 2. INTRODUCTION Congratulations! You 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 Deep Bass Powered Subwoofer will thrill and excite you. We encourage you to read this owner's manual, as there is a great deal of information provided here to help you get the best possible performance. This manual gives you basic hook-up instruc
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POWERED SUBWOOFER All M&K powered subwoofers have exceptionally sharp (36 dB/octave) low-pass filters to remove the midbass and midrange frequencies unwanted in a subwoofer. This makes your M&K subwoofer truly non-directional. No matter where you put the subwoofer, you must allow room for ventilation of its heatsink and backplate. The subwoofer's power amplifier is mounted on the backplate, and it generates heat. 1. Leave clearance around the subwoofer's heatsink. Do not cover it with drapes. 2.
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+ POWERED SUBWOOFER your system with multiple filters. If your receiver or controller is THX-certified or Dolby Digital AC-3 capable, you do not need the BMC-MINI. All Dolby Digital AC-3 and THX certified controllers and receivers have the proper high and low-pass filters built in. See Figure 2 below. FIGURE 2 - CONNECTING TO A STEREO AMP OR PREAMP WITH THE BMC-MINI (OPTIONAL) Stereo preamp or processor BMC-Mini Bass M&K powered subwoofer Management Controller Power amplifier This filter will
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+ + POWERED SUBWOOFER IMPORTANT NOTE FOR DOLBY SURROUND SYSTEMS: (Excluding Dolby Digital AC-3) When the subwoofer is connected to the Left and Right amplifier outputs, the Center channel WIDE/NORMAL switch MUST be set to the NORMAL mode. If the switch is set to the WIDE mode, the bass content of the Center channel will not be fed to the subwoofer, and a significant amount of bass in the program material will not be reproduced. FIGURE 4 - SATELLITE SPEAKER WIRING (OPTIONAL) BASS LEVEL LOW PASS
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POWERED SUBWOOFER The best way to set the level of the subwoofer is to do it by ear, listening over several hours or days to familiar recordings. Make adjustments to the level in small increments, depending on whether the bass level sounds too high or too low. Of course, you can always deliberately set the level higher or lower than flat if you need a higher bass level (especially for cinema or television sources) or if you don't want to disturb your neighbors. 5. SATELLITE/SUBWOOFER PHASING TES
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POWERED SUBWOOFER If multiple subwoofers are used, try to place them in the same location. Stacking is best, but you can also put them side by side. Alternately, you can put multiple subwoofers in different locations, at adjacent corners. 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. Wiring with two subwoofers is
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POWERED SUBWOOFER 11. TROUBLESHOOTING Your M&K Subwoofer amplifier circuit provides high reliability, and, if necessary, easy modular replacement of parts. This guide will help you to solve or diagnose most problems that can occur with your Subwoofer. In the event that a fuse blows, you must replace it with a fuse of the correct value to avoid a fire hazard and to maintain your warranty protection. 1. If your Subwoofer has no output: a. Make sure that the Subwoofer is plugged into an AC outlet.
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POWERED SUBWOOFER the Subwoofer's speaker driver, the Subwoofer is the source of the hum. If you hear no hum or less hum, the problem is 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 M&K. 7. If there is an unusual sound c
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POWERED SUBWOOFER V-850/V-851 subwoofer manual PN # 70041 08/20/02 rev.1 pt/qrk 12
