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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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Summary of Contents for MK Sound S-150P THX
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Page 1: Operation Manual
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. -
Page 2: Safety Instructions
S- 150 P THX Manual The exclamation point within an equilateral triangle is intended to alert the user of the presence of important operating and mainte- nance (servicing) instructions in the literature accompanying the appliance. Safety Instructions 1. - All safety and operating instructions should be read before this product is operated. 2. -
Page 3: Table Of Contents
S- 150 P THX Manual SAFETY INSTRUCTIONS... 2 INTRODUCTION... 4 THE HOME THX AUDIO SPEAKER SYSTEM... 4 QUICK PRODUCT OVERVIEW... 5 SPEAKER PLACEMENT... 6 NARROW / WIDE MODE... 6 OPTIMIZING SPEAKER PLACEMENT... 6 THX AUDIO SYSTEM... 8 SATELLITE / SUBWOOFER PHASING TEST... 9 SPEAKER MOUNTING OPTIONS... -
Page 4: Introduction
3. 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 theatre music and video reproduction. The precise and exacting standards developed by Lucasfilm's Home THX division assure that you will hear every element of film sound —... -
Page 5: Quick Product Overview
S- 150 P 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. -
Page 6: Speaker Placement
S- 150 P 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. - Page 7 S- 150 P 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.
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Page 8: Left Speaker
S- 150 P THX Manual FIGURE 1 LEFT SPEAKER 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. -
Page 9: Satellite / Subwoofer Phasing Test
S- 150 P 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. -
Page 10: Figure 2 (M&K St-Wall Tilt Bracket)
S- 150 P 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. -
Page 11: Speaker Mounting Options
S- 150 P 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. -
Page 12: If You Need Service
S- 150 P 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. - Page 13 S- 150 P THX Manual FIGURE 5...
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Page 14: Inputs And Controls
S- 150 P THX Manual 14. Inputs & Controls (see Figure 5) 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. Variable Input Gain Switch - Offers variable gain from - to maximum gain, which is equal to having the gain switch set to the reference position. -
Page 15: S-150P Specifications
S- 150 P THX Manual S-150P Specification Input Impedance 60K ohms balanced Max Input Sensitivity Max Output Level Maximum input Input Frequency Response Type Crossover frequency 80 Hz filter Type 80 Hz filter slope Power amplifiers Type Channels Power output midrange amplifier Power output tweeter amplifier Dimensions 15K ohms unbalanced... -
Page 16: Cabinet Dimensions
S-150P THXmanual...
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