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MartinLogan Feature User Manual

Fully powered hybrid electrostatic loudspeaker
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Summary of Contents for MartinLogan Feature

  • Page 1 e a t u r e Fully Powered Hybrid Electrostatic Loudspeaker ’...
  • Page 2 Record your serial number here for easy reference. You will need this accept any interference received, information when filling out your warranty registration. Feature’s serial including interference that may cause number is located on backplate and on the shipping container.
  • Page 3 Thank you—the MartinLogan owner, for loving what we do, making it possible for us to do what we love.

  • Page 4: Table Of Contents

    Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 MartinLogan Exclusives . . . . . . . . . . . . . . . 13 Installation in Brief .

  • Page 5: Installation In Brief

    • Do not operate if there is any visual dam- the Feature speakers. Take great care to assign the same age to the electrostatic panel element. color to the (+) terminal on both the left, right, and center • Do not drive speaker beyond its rated power.

  • Page 6: Introduction

    MartinLogan’s electrostatic heritage with the incorporation of advanced vacuum bonding and MicroPerf stat pan- The materials in your new Feature speaker are of the high- els, providing even greater efficiency and precision. The est quality and will provide years of enduring enjoyment integration electrical interface technology developed by with deepening respect.

  • Page 7: Connections

    AC power receptacles on the rear connection panel of the speaker, then to any convenient AC wall Use Feature’s line level connection to attach any of the fol- outlet (see figure 2 & 3). The Feature integrates a signal...

  • Page 8: Speaker Level Connection

    Simply set this switch to On-Wall if mounting to a surface. Set the switch to Off-Wall if the Feature is more than four inches from a wall. Setting this switch ensures that you will...

  • Page 9: Installation

    When drilling pilot holes and tracing keyholes make sure you’re using the 2 pilot hole Figure 5 . If Feature is to be used with the optional adjustable stand, and 2 keyhole locations intended for your installation.
  • Page 10 Install both wall brackets using only the top screw. Do not over tighten the top screw. Align each wall bracket’s keyhole with a traced key- hole and tighten the top screw. On the back of the Feature, install two shoulder bolts Figure 7 . Horizontal Hardware Configuration Installation...

  • Page 11: Home Theater

    Figure 8 . Purity speakers as front channels, the Feature as the center and surround channels, and the Grotto i subwoofers as 0.1 (effects) chan- ter channel.

  • Page 12: Electrostatic Advantages

    leCtrostatIC dvantages How can sound be reproduced by something that you are push-pull operation and is a major contributor to the sonic able to see through? Electrostatic energy makes this possible. purity of the electrostatic concept due to its exceptional linearity and low distortion.

  • Page 13: Martinlogan Exclusives

    MartinLogan developed the production capa- cal new Feature loudspeaker supports the bandwidth and bility to bring it out of the laboratory and into the market dynamics associated with traditional electrostatic panels place.

  • Page 14: Electrostatic History

    leCtrostatIC HIstory In the late 1800’s, any loudspeaker was considered After a short time, Rice and Kellogg had narrowed the exotic. Today, most of us take the wonders of sound repro- field of “contestants” down to the cone and the electrostat. duction for granted.
  • Page 15 In 1947, Arthur Janszen, a young Naval engineer, took its dispersion was very directional and its power handling part in a research project for the Navy. The Navy was was limited to around 70 watts. As a result, many people interested in developing a better instrument for testing micro- continued to use box speakers with cones.

  • Page 16: Frequently Asked Questions

    . Avoid the use of er they employ. In the case of the Feature, however, ammonia based products or silicone oil on they are fully shielded and can go anywhere.
  • Page 17 Exposure to excessive contaminants such as smoke We should tell you that MartinLogan indeed has a very or dust may potentially affect the performance of the substantial number of customers in tropical regions of electrostatic membrane, and may cause discoloration the world.

  • Page 18: Troubleshooting

    rouBlesHootIng No Output Muddy Bass • Check that all your system components are turned on. • Possibly means low electrostatic panel output. See • Check your speaker wires and connections. 'Weak Output from Electrostatic Panel, Loss of Highs’. • Check all interconnecting cables. Lack of Bass, No Bass • Try hooking up a different speaker. The lack of output could point to a problem with other equipment in your • Check your speaker wires. Is the polarity correct? system (amp, pre-amp, processor, etc.) • Check the binding posts. Are the dirty? If so clean them...

  • Page 19: General Information

    Specifications* Warranty and Registration System Frequency Response Your Feature speaker is provided with an automatic Limited 61–20,000 Hz ± 3db 90 Day Warranty coverage. You have the option, at no additional charge, to receive a Limited 5 Year Warranty Dispersion: Horizontal: 30 Degrees coverage.

  • Page 20: Dimensional Drawings

    ImensIonal rawIngs On Non-Skid Grip Feet Plan View (Top) Front Elevation: (no stand rotation) Back Elevation: (no stand rotation) AC & Signal Side Elevation Dimensional Drawings...

  • Page 21: With Bracket

    With Bracket Plan View (Top) Front Elevation: (no stand rotation) Back Elevation: (no stand rotation) AC & Signal Side Elevation Wall Bracket Dimensional Drawings...

  • Page 22: Glossary Of Audio Terms

    lossary oF udIo erms AC . Abbreviation for alternating current. DC . Abbreviation for direct current. Active crossover . Uses active devices (transistors, IC’s, Diffraction . The breaking up of a sound wave caused by tubes) and some form of power supply to operate. some type of mechanical interference such as a cabinet edge, grill frame or other similar object.
  • Page 23 Inductance . The property of an electrical circuit by which Resistor . A device used in a circuit to provide resistance. a varying current in it produces a varying magnetic field Resonance . The effect produced when the natural vibra- that introduces voltages in the same circuit or in a nearby circuit.
  • Page 24 WARNING! Do not use your Feature loudspeaker outside of the country of original sale—voltage requirements vary by country. Improper voltage can cause damage that will be potentially expensive to repair. The Feature is shipped to authorized MartinLogan distributors with the correct power supply for use in the country of intended sale.

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