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operation manual
Miller & Kreisel Sound Corporation
9351 Deering Avenue
Chatsworth, CA 91311-5858
(818) 701-7010 fax (818) 701-0369
www.mksound.com
©2001 Miller & Kreisel Sound Corp.
Manufactured under license from Lucasfilm Ltd.
U.S.Patent Numbers 5,043,970;5,189,703; and 5,222,059.
Foreign patents pending. Lucasfilm and THX are registered
trademarks of Lucasfilm Ltd.
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S-150P THX Manual 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 literatu
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S-150P THX Manual TABLE OF CONTENTS 1. SAFETY INSTRUCTIONS................................................................................... 2 2. INTRODUCTION.................................................................................................. 4 3. THE HOME THX AUDIO SPEAKER SYSTEM................................................ 4 4. QUICK PRODUCT OVERVIEW........................................................................... 5 5. SPEAKER PLACEMENT..............................
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S-150P THX Manual 2. Introduction Congratulations! Your new M&K THX speaker will give you years of unmatched enjoyment and excitement while listening to you favorite musical and audio/video sources. We strongly 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. If you have any questions regarding any Miller & Kreisel products, please contact your M&K dealer, or call the M&K factory directly at (818) 70
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S-150P THX Manual 4. Quick Product Overview The S-150P THX is a bi-amplified THX certified reference monitor. The S-150P features a 180-watt x 2 amplifier with improves on the standard S-150 THX in sound quality, wider dynamic range and higher output, due to the elimination of signal losses that occur when high-level signals pass through a passive crossover network. In addition to using an active crossover, the S-150P THX also offers several setup configurations for increased flexibility. These
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S-150P THX Manual 5. Speaker Placement When the S-150P is used as a front loudspeaker it should be located with the center tweeter at seated ear height. If this is not possible the S-150P must be aimed at seated ear height at the center of the primary seating/monitoring location so as to cover the listening area uniformly with high frequency energy. The S-150P is provided in LEFT and RIGHT versions. They are identified by the location of the tweeters when the speaker is viewed from the front.The
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S-150P THX Manual A red LED has been mounted on the center axis of the speaker. This LED can be used as an alignment tool for final aiming of the loudspeakers and indicates perfect on axis alignment when the LED is at its brightest. Another way to determine the proper angle is to have a helper move the speakers while you sit and listen. You should be able to hear the difference when the speakers are in the best location by listening for the brightest high frequencies and for the best “focus” of
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S-150P THX Manual FIGURE 1 A X Y LEFT SPEAKER RIGHT SPEAKER Line X - Y should equal line A - B. (line A - B appears longer in this diagram due to an optical illusion). B On Figure 2, the length of line A - B should be about the same as the length of line X - Y. (They may not seem to be the same in this diagram due to an optical illusion). Try to follow the formula as close as you can. You can fine tune the placement by listening to a source with an imag
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S-150P THX Manual make the mistake of taking too casual an approach to the installation of the speakers in a home theatre system. In fact, in many ways, the setup of the speakers ina home theatre is more critical than for stereo. Even though the S-150P is less influenced by the room environment than most other speakers, the time you spend in carefully installing yours will significantly enhance your enjoyment of these speakers. The LEFT, CENTER, and RIGHT speakers should ideally all be at the sa
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S-150P THX Manual Play a familiar CD, LP, or tape with steady, consistent bass content through your system. Listen carefully to the "mid-bass" region of 75 - 125 Hz. This is the part of the spectrum where electric or string basses and drums predominate. Then, reverse the Positive and Negative speaker inputs on the back of BOTH Satellite speakers. You can do this at the back of both Satellite speakers, or at the Subwoofer's "TO SPEAKERS" terminals, but never at both locations. The lead that was o
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S-150P THX Manual If you want to experiment further, you can move the Satellite speakers either towards or away from your listening position, making changes in small increments. This will "focus" the system's sound to its optimum. When you hear the best balance between stereo image localization and maximum impact and output in the mid-bass, you have the ideal location. 10. Speaker Mounting Options The S-150P has many stand and wall mounting options that make proper placement and installation eas
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S-150P THX Manual The best way to avoid speaker damage is to use common sense. Use moderate boosts of tone controls or equalizers, at the very most. Listen carefully for any harshness and break-up, especially at high volume levels, and turn down the volume when needed. If you cannot get enough volume, you may need to consider a higher-powered amplifier. If you have any questions about this, please contact M&K, and we will be happy to discuss it with you further. 12. If You Need Service Contact y
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S-150P THX Manual FIGURE 5
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S-150P THX Manual 14. Inputs & Controls (see Figure 5) A) Input Gain Switch - Fixed is equal to maximum input gain on the variable gain knob. 200mv delivered to the balanced input stage delivers 90dB of acoustic output at one meter. B) Variable Input Gain Switch - Offers variable gain from -∞ to maximum gain, which is equal to having the gain switch set to the reference position. Reference denotes the position that should be used when operating this monitor with +4dBu input signal. C) Narrow/
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S-150P THX Manual 15. S-150P Specification Input Impedance 15K ohms unbalanced 60K ohms balanced Max Input Sensitivity Unbalanced 100mv =90 dB SPL @ 1 meter Balanced 200mv = 90 dB SPL @ 1 meter Max Output Level 112 dB @ 1 meter Maximum input Input +24 dBu Balanced Frequency Response 300Hz to 12kHz ± 1 dB 80Hz to 20kHz ± 3 dB Type Sealed box Crossover frequency 1.2kHz 80 Hz filter Type Butterworth Q= 0.707 80 Hz filter slope 12 dB /octave Power amplifiers Type Symmetrically balanced discre
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S-150P THXmanual
