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Related Manuals for MartinLogan Speaker
Summary of Contents for MartinLogan Speaker
- Page 1 p i r e ’...
- Page 2 Record your serial numbers here for easy reference. You will need this This device complies with part 15 of information when filling out your warranty registration. Spire’s serial num- the FCC Rules. Operation is subject ber is located near the bottom of the backplate and on the shipping con- to the following two conditions: (1) tainer.
- Page 3 Thank you—to you the MartinLogan owner, for loving what we do, for making it possible for us to do what we love.
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Page 4: Table Of Contents
WARNING! Do not use your Spire loudspeakers 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 Spire is shipped to authorized MartinLogan distributors with the correct power supply for use in the country of intended sale. -
Page 5: Installation .In .Brief
Step .2: .Placement give you perspective on how to attain the greatest possible Place each Spire at least two feet from the back wall and performance from this most exacting transducer. angle them slightly toward your listening area. This is a good place to start. -
Page 6: Introduction
The materials in your new Spire speakers are of the high- est quality and will provide years of enduring enjoyment The luminous legacy of MartinLogan subwoofer engi- and deepening respect. -
Page 7: Controls .And .Connections
These binding posts provides a place to connect the signal that drives the PoweredForce™ woofer. Status .Light The Spire is equipped with a multi-color LED to indicate the current status of the PoweredForce™ woofer. The fol- lowing list explains the meaning of the different colors: No color: No power. -
Page 8: Ac Power Connection
(+) and (–) leads on one speaker to bring the system If you remove your Spire speakers from the country into proper polarity. -
Page 9: Single-Wire Connection
(+) wires to the (+) amplifier terminals and both (–) wires to the (–) amplifier terminals. This is also Bi-wiring the Spire is not necessary. The Spire is pro- known as a parallel connection (see figure 3). vided with a bi-wiring option to allow consumers who... -
Page 10: 35Hz Level Control
0dB and listen to the speaker again for a moment. Next, adjust the 35Hz knob by –10dB. In most cases the On the rear of the Spire is a knob that control the 35Hz bass will sound thin and nonexistent. Return the setting frequency responses by ±10db. -
Page 11: Placement
The distance between the speakers inherently minimizes side wall reflections—a position as will be far less than the distance from you to the speaker little as two feet from the side walls often proves adequate. system. However, in a wide room, you will still find that... -
Page 12: Final Placement
The Spire is a very refined speaker and benefits from care Move your speaker slightly forward into the room. What in setup. With these tips in mind you will find, over your... -
Page 13: Room .Acoustics
The hard surfaces of your room, particularly if close to your gremlins and diffuse any dominant frequencies. speaker system, will reflect some waves back into the room over and over again, confusing the clarity and imaging of Solid .Coupling your system. -
Page 14: Dipolar Speakers And Your Room
(See ‘Solid Footing’ for spike information and installation instructions). Spike .Installation .Instructions: 1 Carefully lay your speaker on its side to gain access to Dipolar Speakers and Your Room the bottom. MartinLogan electrostatic loudspeakers are known as dipo- 2 Remove existing feet or spikes. -
Page 15: Dispersion Interactions
(see figure 11). Each ed process. By curving the radiating surface, we create Spire is a 44 inch line source beginning 15 inches above the effect of a horizontal arc. This allows the engineers at the base. -
Page 16: Home .Theater
Figure .12 . Spire speakers as front channels, the Stage as the center and center channel. It is important that the center speaker surround channels, and Descent i subwoofers as 0.1 (effects) channel. -
Page 17: Electrostatic .Advantages
Where the world of traditional loudspeaker technology deals with cones, domes, diaphragms and ribbons that Since the diaphragm of an electrostatic speaker is uniform- are moved with magnetism, the world of electrostatic ly driven over its entire area, it can be extremely light and loudspeakers deals with charged electrons attracting and flexible. -
Page 18: Full Range Operation
While nice in theory, we must deal with The Spire uses no crossover networks above 320 Hz real-world conditions. because they are not needed. The Spire consists of a single, seamless electrostatic membrane reproducing all In order to use multiple drivers, a crossover network frequencies above 320 Hz simultaneously. -
Page 19: Martinlogan .Exclusives
2 Diaphragms, ClearSpars™, and Vacuum Bonding. in each panel, offering increased performance from even more compact stat panels. It is significant to note that the XStat™ transducer in the radical new Spire loudspeaker CLS™ (Curvilinear Line Source) supports the bandwidth and dynamics associated with traditional electrostatic panels nearly twice its size. -
Page 20: Electrostatic .Loudspeaker .History
Bell Laboratory’s electrostat was something to behold. This Lodge invented a cone loudspeaker, which he referred to enormous bipolar speaker was as big as a door. The dia- as a “bellowing telephone”, that was very similar to the phragm, which was beginning to rot, was made of a pig conventional cone loudspeaker drivers that we know today. - Page 21 The test instrument needed an extremely accurate speaker, but Janszen found that the cone speakers of the In the early 1960’s Arthur Janszen joined forces with the period were too nonlinear in phase and amplitude response KLH loudspeaker company, and together they introduced to meet his criteria.
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Page 22: Frequently .Asked .Questions
2 Ohms. in direct sunlight. The ultraviolet (UV) rays from the sun can cause deterioration of grill cloth, speaker cones, Could .you .suggest .a .list .of .suitable .electronics .and . etc. Small exposures to UV will not cause a problem. - Page 23 A .problem .has .recently .developed .with .my .MartinLogan . humid regions when not in an air conditioned envi- speakers . .The .right .speaker .seems .to .be .hissing .even . ronment. Simply enough, the concern is to keep the when .the .amplifier .and .such .are .not .connected . .I .was .
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Page 24: Troubleshooting
It is the result of airborne contaminates (most • Check the polarity of the speaker wires. Are they con- notably dust). Vacuuming is recommended. nected properly? • These noises may be caused by dirt and dust particles •... -
Page 25: General .Information
Serial Number Custom-wound audio transformer, air core coils, poly- propylene capacitors Spire’s serial number is located near the bottom of the Woofer .Type backplate. Each individual unit has a unique serial number. 10” (25.4 cm) cast basket, high excursion, aluminum... -
Page 26: Dimensional Drawings
ImensIonal rawIngs 12.68” 32.2cm 56.78” 144.2cm 59.26” 150.5cm 16.3“ 13.75” 41.4cm 34.9cm 8.27” 21cm 2.48” 4.3” 12.68“ 18“ 6.3cm 10.9cm 32.2cm 45.7cm Dimensional Drawings... -
Page 27: Glossary Of Audio Terms
It is a combination of resistance and reactance and is measured in ohms. Remember that a speaker’s imped- dB .(decibel) . A numerical expression of the relative loud- ance changes with frequency, it is not a constant value. - Page 28 WARNING! Do not use your Spire loudspeakers 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 Spire is shipped to authorized MartinLogan distributors with the correct power supply for use in the country of intended sale.