MK Sound S-150THX AC Operation Manual
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MK Sound S-150THX AC Operation Manual

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DO NOT REMOVE THE SPECIAL ACOUSTIC FOAM ATTACHED TO THE FRONT
BAFFLE AND/OR GRILLE OF YOUR SPEAKERS.
This foam is a critical part of your loudspeaker system and plays an important role
in its high level of performance. It focuses the radiation of the tweeters, minimizes
cabinet diffraction, and provides the flattest possible frequency response.

operation manual

S-250
S-150
THX
S-150
C
THX
S-150
AC
THX
Manufactured under license from
Lucasfilm Ltd. U.S. Patent Nos.
5,043,970; 5,189,703, and
5,222,059. Foreign patents
pending. Lucasfilm and THX are
registered trademarks of
Lucasfilm Ltd.
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.

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Summary of Contents for MK Sound S-150THX AC

  • Page 1: Operation Manual

    DO NOT REMOVE THE SPECIAL ACOUSTIC FOAM ATTACHED TO THE FRONT BAFFLE AND/OR GRILLE OF YOUR SPEAKERS. This foam is a critical part of your loudspeaker system and plays an important role in its high level of performance. It focuses the radiation of the tweeters, minimizes cabinet diffraction, and provides the flattest possible frequency response.

  • Page 2: Table Of Contents

    MAIN SATELLITE SPEAKER INTRODUCTION...3 THE HOME THX AUDIO SPEAKER SYSTEM...3 PLACEMENT OF YOUR M&K SPEAKERS...3 SPEAKER HOOK-UP...4 OPTIMIZING SPEAKER PLACEMENT...5 SPEAKER PLACEMENT IN A HOME AUDIO SYSTEM...7 SATELLITE/SUBWOOFER PHASING TEST...9 SPEAKER DAMAGE & HOW TO AVOID IT...10 M&K WALL MOUNT BRACKETS AND STAND OPTIONS...10 IF YOU NEED SERVICE...11...

  • Page 3: Introduction

    THE HOME THX AUDIO SPEAKER SYSTEM Your choice of an M&K Home THX Audio speaker system assures you of achieving the state of the art in home the- atre music and video reproduction. The precise and exacting standards developed by Lucasfilm's Home THX division, as applied by M&K's engineering team, assure that you will hear every element of film sound - from the softest brush of...

  • Page 4: Speaker Hook-Up

    MAIN SATELLITE SPEAKER The S-150 and S-250 speakers are magnetically shielded. This means that they can be placed close to a television monitor without distorting the picture. If you place the speaker directly on top of a large screen direct-view monitor, there is some slight possibility of picture distortion.
  • Page 5 MAIN SATELLITE SPEAKER A. HEIGHT (OR ANGLE) The S-250, and S-150 have a controlled vertical radiation pattern that makes the speaker’s location critical. It is very important to aim the tweeters at the main listening position in order to achieve their very best sound quality and their flat- test frequency response.

  • Page 6: Speaker Placement In A Home Audio System

    MAIN SATELLITE SPEAKER FIGURE 2 SEPARATION BETWEEN LEFT AND RIGHT SPEAKERS cially in the phantom center. You may also want to angle (or "toe-in") the speakers slightly. This often improves the sharp- ness of the stereo image, and provides a wider seating area. The S-150 Left and Right speakers provide a default toe- in through the angle of their front baffles.
  • Page 7 When using the S-150thx near a mixing console or other reflective surface, it is preferable to set the S-150thx in its Narrow Mode. In the narrow mode the S-150thx will minimize floor, console and ceil- ing reflections, providing smoother horizontal on and off axis frequency response.

  • Page 8: Satellite/Subwoofer Phasing Test

    MAIN SATELLITE SPEAKER SATELLITE/SUBWOOFER PHASING TEST In any system using a subwoofer separate from Satellite speakers, a phasing test must be performed to insure good bass blending. This test insures optimum sound in the critical bass frequencies where your Subwoofer and Satellite speakers overlap.

  • Page 9: M&K Wall Mount Brackets And Stand Options

    MAIN SATELLITE SPEAKER When tone controls or equalizers are used to boost frequencies, the problem occurs much more rapidly. Even a small boost of low or high frequencies can easily double the power requirement and lead to amplifier clipping at moder- ate levels.

  • Page 10: Cabinet Maintenance

    S-250 IMPEDANCE: MINIMUM POWER: RECOMMENDED POWER: MAXIMUM POWER: FREQUENCY RESPONSE: DIMENSIONS (H x W x D): WEIGHT: RECOMMENDED STANDS: BRACKETS: S-150THX IMPEDANCE: MINIMUM POWER: RECOMMENDED POWER: MAXIMUM POWER: FREQUENCY RESPONSE: DIMENSIONS (H x W x D): WEIGHT: RECOMMENDED STANDS: BRACKETS:...

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S-250S-150thx c

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