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MartinLogan Preface User Manual

Martinlogan preface: user guide
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Summary of Contents for MartinLogan Preface

  • Page 1 r e f a c e ’...
  • Page 2 Serial Numbers: _______________ / _______________ Record your serial numbers here for easy reference. You will need this information when filling out your warranty registration. Preface’s serial number is located near the bottom of the backplate and on the shipping container. Each individual unit has a unique serial number.

  • Page 3: Table Of Contents

    WEEE direc- tive, require special reuse and recycling processing. For this reason MartinLogan has arranged with our distributors in European Union member nations to collect and recycle this product at no cost to you. To find your local distributor please contact the dealer from whom you purchased this product, email info@martinlogan.com...

  • Page 4: Introduction

    Attach your speaker cables to the signal input section on the rear panel. Be consistent when connecting speaker leads to the terminals on the back of the Preface. Take great care to assign the same color to the (+) terminal on both the left and right channels.

  • Page 5: Connections

    Break-In When you first begin to play your Preface speakers, they will sound a bit bass shy. This is due to the high quality, long-life components used in our woofer. Our custom made, butyl surround woofer requires approximately 72 hours of break-in at 90 dB (moderate listening levels) before any critical listening.

  • Page 6: Placement & Room Acoustics

    In long rooms, naturally, that relationship changes. The distance between the speakers will be far less than the distance from you to the speaker system. However, in a wide room, you will still find that...

  • Page 7: Final Placement

    Ideally, your room should not contribute to that information. However, every room does con- tribute to the sound to some degree. Fortunately MartinLogan had designed the Preface to minimize these anomalies Terminology Standing .Waves...

  • Page 8: Rules Of Thumb

    After living and experimenting with your Preface speakers, you may want to use ETC (energy transfer coupler) Spikes (see figure 2). With the use of these spikes, the Preface will become more firmly planted on the floor and, consequently, bass will tighten and imaging will become more coherent and detailed.

  • Page 9: Home .Theater

    Good subwoofers will provide a foundation for the rest of the system. Figure .3 . Preface speakers as front channels, Vignette speakers above the television and along the back wall as the center and surround (effects) channels, and Dynamo subwoofers in the front corners as the 0.1 (effects) channel.

  • Page 10: Atf .(Advanced .Thin .Film)

    (a dvanced ATF .Operation The MartinLogan ATF transducer (based on RADIA planar technology) consists of a micro-thin, low-mass Kaladex diaphragm with an ultra-light, etched conductive aluminum surface suspended between two high field strength neodym- ium super magnet arrays (see figure 4). When an electrical...

  • Page 11: Frequently .Asked .Questions

    Just use a dust free cloth or a soft brush to remove the dust from your speakers. We recommend a specialty cloth (available at the Xtatic shop at www.martinlogan. com) that cleans your speakers better than anything else we have tried. Do not spray any kind of cleaning agent on or in close proximity to the ATF element.

  • Page 12: General .Information

    Warranty Registration card on file! If you did not receive a Certificate of Registration with your new Preface speakers you cannot be sure of having received new units. If this is the case, please contact your authorized MartinLogan dealer.

  • Page 13: Dimensional Drawings

    ImensIonal rawIngs Dimensional Drawings...

  • Page 14: Glossary .Of .Audio .Terms

    It is a combination of resistance and reactance and is measured in ohms. Remember that a speaker’s imped- ance changes with frequency, it is not a constant value.
  • Page 15 Sensitivity . .The volume of sound delivered for a given electrical input. Stator . .The fixed part forming the reference for the moving diaphragm in a planar speaker. THD . .The abbreviation for total harmonic distortion. (See Distortion) TIM . .The abbreviation for transient intermodulation distortion.
  • Page 16 7 8 5 . 7 4 9 . 5 3 2 0 w w w . m a r t i n l o g a n . c o m ©2008 MartinLogan. All rights reserved. Rev. #032808...

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