Related Manuals for MartinLogan Purity Fully Powered Hybrid Electrostatic Loudspeaker
Summary of Contents for MartinLogan Purity Fully Powered Hybrid Electrostatic Loudspeaker
- Page 1 U R I T Y Fully Powered Hybrid Electrostatic Loudspeaker ’...
- Page 2 Thank you—to you the MartinLogan owner, for loving what we do, for making it possible for us to do what we love. Serial Numbers: _______________ / _______________ Record your serial numbers here for easy reference. You will need this information when filling out your warranty registration. Purity’s serial num- ber is located near the bottom of the backplate and on the shipping container.
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Page 3: Table Of Contents
AC Power Connection Status Light Line Level (RCA) Connection Speaker Level Connection ....7 Bass Level Control Break-In Placement & Room Acoustics ... . 8... -
Page 4: Installation In Brief
Purity speakers, please refer to the Room Acoustics, Placement or Operation sections of this manual. Should you encounter a persistent problem that cannot be resolved, please contact your authorized MartinLogan dealer. They will provide you with the appropriate technical analysis to alleviate the situation. -
Page 5: Introduction
Additional speaker level inputs also allow Purity to exist in a more traditional receiver or pre-amp equipped 2-channel or home theater system. The MartinLogan Purity represents an advanced combina- tion of sonic technologies establishing an unprecedented direction for audiophile design. The result of years of... -
Page 6: Connections & Controls
Substantially impaired performance or severe damage may occur to an Purity speaker if opera- tion is attempted from an incorrect AC power source. WARNING! The power cord should not... -
Page 7: Speaker Level Connection
If bass is nonexistent and you cannot discern a tight, coherent image, you may need to reverse the (+) and (–) leads on one speaker to bring the system into proper polarity. Please note: When using the speaker level inputs a popping noise may occur when the amplifier is turned on or off. -
Page 8: Placement & Room Acoustics
The Side Walls A good rule of thumb is to have the side walls as far away from the speaker sides as possible. However, MartinLogan’s unique controlled dispersion electrostatic transducer inher- ently minimizes side wall reflections—a position as little as two feet from the side walls often proves adequate. -
Page 9: Final Placement
On well recorded music, the instruments can extend beyond the edges of each speaker (left and right), yet a vocalist should appear directly in the middle. The size of the instruments should be neither too large nor too small, subject to the intent and results of each unique audio recording. -
Page 10: The Extra "Tweak
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 Purity to minimize these anomalies Terminology... -
Page 11: Rules Of Thumb
It is best not to implement the spikes, however, until you are secure in the positioning, as the spikes can damage the floor if the speaker is moved. MartinLogan ETC spikes will fit any common 1/4” x 20 thread insert that may be found on your other audio equipment (racks, etc.) -
Page 12: Dispersion Interactions
By curving the radiating surface, we create the effect of a horizontal arc. This allows the engineers at MartinLogan to control the high frequency dispersion pat- tern of our transducers. -
Page 13: Home Theater
Home theater is a complex purchase and we recommend that you consult your local MartinLogan dealer, as they are well versed in this subject. Each piece of a surround system can be purchased sepa- rately. -
Page 14: Electrostatic Advantages
Since the diaphragm of an electrostatic speaker is uniform- ly driven over its entire area, it can be extremely light and flexible. This allows it to be very responsive to transients, thus perfectly tracing the music signal. -
Page 15: Martinlogan Exclusives
Full Range Operation Another significant advantage of MartinLogan’s exclusive transducer technology reveals itself when you look at exam- ples of other loudspeaker products on the market today. The Purity uses no crossover networks above 450 Hz because they are not needed. The Purity consists of a single, seamless electrostatic membrane reproducing all frequen- cies above 450 Hz simultaneously. -
Page 16: Cls™ (Curvilinear Line Source)
MartinLogan developed the production capability to bring it out of the laboratory and into the market place. You will find this proprietary MartinLogan technology used in all of our electrostatic products. It is one of the many reasons behind our reputation for high quality sound with practical usability. -
Page 17: Electrostatic Loudspeaker History
However, Lodge had no intention for his device to reproduce music because in 1898 there was no way to amplify an electrical signal! As a result, his speaker had nothing to offer over the acoustical gramophones of the period. It was not until 1906 that Dr. - Page 18 The test instrument needed an extremely accurate speaker, but Janszen found that the cone speakers of the peri- od were too nonlinear in phase and amplitude response to meet his criteria. Janszen believed that electrostats were inher- ently more linear than cones, so he built a model using a thin plastic diaphragm treated with a conductive coating.
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Page 19: Frequently Asked Questions
Will my electric bill go ‘sky high’ by leaving my speakers plugged in all the time? No. A pair of MartinLogan’s will draw about 8 watts maximum (idle). There is circuitry to turn off the static charge when not in use; however, actual consumption will remain close to the same. - Page 20 How do MartinLogan speakers hold up over a long term in the humidity of tropical climates? We should tell you that MartinLogan indeed has a very substantial number of customers in tropical regions of the world. Our speakers have been serving them nicely for many years.
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Page 21: Troubleshooting
Do they have the same amount of toe- in? Try moving the speakers away from the back and sidewalls. • Check the polarity of the speaker wires. Are they con- nected properly? • Try switching the left speaker with the right. -
Page 22: General Information
Purity’s serial number is located near the binding posts. Each individual unit has a unique serial number. Service Should you be using your MartinLogan product in a country other than the one in which it was originally purchased, we ask that you note the following:... -
Page 23: Dimensional Drawings
IMENSIONAL RAWINGS Dimensional Drawings... -
Page 24: 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 25 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.
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Page 26: Notes
OTES Notes... - Page 27 Notes...
- Page 28 Improper voltage can cause damage that will be potentially expensive to repair. The Purity is shipped to authorized MartinLogan distributors with the correct power supply for use in the country of intended sale. A list of authorized distributors can be accessed at www.martinlogan.com or by emailing info@martinlogan.com.
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