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Summary of Contents for MartinLogan The Quest Speaker System
- Page 1 User's Manual The Quest Speaker System T H E E L E C T R O S T A T I C T E C H N O L O G Y...
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Page 2: Table Of Contents
Important Your Quest speakers are provided with an automatic Limited 90 Day Warranty coverage. You have the option, at no additional charge, to receive Limited 3 Year Warranty coverage. To obtain Limited 3 Year Warranty coverage you need only complete and return the Certificate of Registration that was included with your speakers to Martin-Logan, within 30 days of purchase. -
Page 3: Introduction
Introduction Congratulations, you have invested in one of the world’s premier loudspeaker systems! The result of cumulative technology gleaned from eight previous Research and Development projects, the Quest represents the latest developments in Electrostatic and Hybrid loudspeaker technology. Combining our proprietary curvilinear electrostatic trans- ducer with a compact, but powerful subwoofer, we have designed a product, in one package, that reproduces music with uncompromised electrostatic clarity and deep ex-... -
Page 4: Installation In Brief
Installation in Brief We know you are eager to hear your new Quest loudspeakers, so this section is provided to allow fast and easy set up. Once you have them operational, please take the time to read, in depth, the rest of the informa- tion in this manual. -
Page 5: The Electrostatic Concept
The Electrostatic Concept How can sound be reproduced by something that you are able to see through? Electrostatic energy makes this possible. Where the world of traditional loudspeaker technology deals with cones, domes, diaphragms and ribbons that are moved with magnetism, the world of electrostatic loud- speakers deals with charged electrons attracting and repelling each other. -
Page 6: History
History In the late 1800’s, any loudspeaker was considered exotic. Today, most of us take the wonders of sound reproduction for granted. It was 1880 before Thomas Edison had invented the first phonograph. This was a horn-loaded diaphragm that was excited by a playback stylus. - Page 7 arrays. The test instrument needed an extremely accurate speaker, but Janszen found that the cone speakers of the period were too nonlinear in phase and amplitude re- sponse to meet his criteria. Janszen believed that electrostats were inherently more linear than cones, so he built a model using a thin plastic diaphragm treated with a conductive coating.
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Page 8: Martin-Logan Exclusives
W o o f e r W o o f e r W o o f e r Figure 1. Figure 1. Illustrates how a conventional speaker system Figure 1. Figure 1. Figure 1. must use a crossover network that has negative affects on the musical performance, unlike the Quest which needs no crossover networks in the "critical zone". -
Page 9: Vapor Deposited Film
Vapor Deposited Film Vapor Deposited Film Vapor Deposited Film Vapor Deposited Film Vapor Deposited Film The diaphragm material used in all Martin-Logan speakers employs an extremely sophisticated vapor deposited conduc- tive polymer surface. A proprietary conductive compound is vaporized then electrostatically driven into the surface of the polymer film in a vacuum chamber. -
Page 10: Operation
Operation AC Power Connection AC Power Connection AC Power Connection AC Power Connection AC Power Connection Because your Martin-Logan Quests use an internal power supply to energize their electrostatic cells with high-voltage DC, they must be connected to an AC power source. For this reason they are provided with the proper IEC standard power cords. -
Page 11: Standard Connection
CAUTION! CAUTION! CAUTION! CAUTION! CAUTION! Turn your amplifier off before making or breaking any signal connections! The chassis is earth grounded and can present a short circuit to your amplifier if contact is made! Standard Connection Standard Connection Standard Connection Standard Connection Standard Connection Connect the speaker wire from your... - Page 12 Operation Passive Passive Passive Passive Passive Bi-amplification Bi-amplification Bi-amplification Bi-amplification Bi-amplification For those of you that desire ultimate performance, the Quest may be passively bi-amplified using the existing internal passive crossover elements. WARNING! Only after the BI- WARNING! Only after the BI- WARNING! Only after the BI- WARNING! Only after the BI- WARNING! Only after the BI-...
- Page 13 Figure 4 Figure 4 Figure 4 Figure 4 Figure 4. Vertical passive bi-amplification. One channel shown. BI-WIRE/BI-AMP Active Bi-Amplification Active Bi-Amplification Active Bi-Amplification Active Bi-Amplification Active Bi-Amplification The passive crossover elements in the Quest are very complex electrical devices with unique voicing and equal- ization.
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Page 14: Room Acoustics
Reflective Surfaces (near-field reflections) Reflective Surfaces (near-field reflections). The hard surfaces of your room, particularly if close to your speaker system, will reflect those waves back into the room over and over again, confusing the clarity and imaging of your system. The smaller sound waves are mostly effected here and occur in the mid and high frequencies. - Page 15 Rules of Thumb Rules of Thumb Rules of Thumb Rules of Thumb Rules of Thumb Hard vs. Soft Surfaces Hard vs. Soft Surfaces. If the front or back wall of your Hard vs. Soft Surfaces Hard vs. Soft Surfaces Hard vs. Soft Surfaces listening room is soft, it may benefit you to have a hard or reflective wall in opposition.
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Page 16: Controlled Horizontal Dispersion
See Figure 2 . This vertical dispersion profile minimizes interactions with the floor and the ceiling. Figure 2 Figure 2. Your Quest speaker system is a 4 foot line source Figure 2 Figure 2 Figure 2 when viewed vertically. - Page 17 Three Major Types of Dispersion Three Major Types of Dispersion Three Major Types of Dispersion Three Major Types of Dispersion Three Major Types of Dispersion In the field of loudspeaker design, it is a known fact that as the sound wave becomes progressively smaller than the transducer producing it, the dispersion of that wave becomes more and more narrow, or directional.
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Page 18: Placement
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 if the distance from the listener to the... - Page 19 Experimentation Experimentation Experimentation Experimentation Experimentation Toe-in Toe-in Toe-in Toe-in. Now you can begin to experiment. First begin by Toe-in toeing your speakers in towards the listening area and then toeing them straight into the room. You will notice that the tonal balance changes ever so slightly. You will also notice the imaging changing.
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Page 20: Solid Footing
Your efforts will be rewarded. You are now armed with the fundamentals of room acoustics and the specific fundamentals of the Quest loudspeaker. -
Page 21: Questions
Questions What size of an amplifier should I use with the What size of an amplifier should I use with the What size of an amplifier should I use with the What size of an amplifier should I use with the What size of an amplifier should I use with the Quests? Quests? -
Page 22: Troubleshooting
Troubleshooting No Output No Output No Output No Output No Output Check that all your system components are turned on. Check your speaker wires and connections. Check all interconnecting cables. Weak Output, Loss of Highs Weak Output, Loss of Highs Weak Output, Loss of Highs Weak Output, Loss of Highs Weak Output, Loss of Highs... -
Page 23: Recommended Music
Recommended Music Analog Discs: Analog Discs: Analog Discs: Analog Discs: Analog Discs: Astounding Sound Show ... Reference Recordings RR-7 Chet Atkins in Hollywood ... RCA LSP-1993 Berlioz: Symphonie Fantastique ... Chesky Records CR1 Big Band Jazz ... Umbrella UMB-DD4 The Chicago Symphony Winds ... Sheffield Lab 22 Judy Collins: Judith ... -
Page 24: Glossary
Glossary AC. Abbreviation for alternating current. Active crossover Active crossover Active crossover. Uses active Active crossover Active crossover devices (transistors, IC’s, tubes) and some form of power supply to operate. Amplitude Amplitude. The extreme range of a Amplitude Amplitude Amplitude signal. - Page 25 Midrange. The middle frequencies Midrange Midrange Midrange Midrange where the ear is the most sensitive. Passive crossover Passive crossover Passive crossover. Uses no active Passive crossover Passive crossover components (transistors, IC’s, tubes) and needs no power supply (AC, DC, battery) to operate.
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Page 26: Quest Specifications
Quest Specifications The Quest hybrid speaker system consists of a broad-range single element electrostatic transducer integrated with a quick-response woofer. This approach takes advan- tage of the benefits that both technolo- gies have to offer. Dispersion is a controlled 30 degrees. -
Page 27: Notes
Notes Page 27 Quest User's Manual... - Page 28 $ 3.00 $ 3.00 $ 3.00 $ 3.00 $ 3.00 T H E E L E C T R O S T A T I C T E C H N O L O G Y 2001 delaware street p.o. box 707 lawrence, kansas 66044 ph: 913.749.0133 ©...
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