MartinLogan Source Speakers CLS Curvilinear Line Source, Generation 2 Diaphragm, MicroPerf Stator

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CLS™ (Curvilinear Line Source)

Since the beginning of audio, achieving smooth dispersion has been a problem for all designers. Large panel trans- ducers present unique challenge because the larger the panel, the more directional the dispersion pattern becomes.

Wide range electrostats have long been one of the most problematic transducers because they attain their full range capabilities via a large surface area. It looked as if they were in direct conflict to smooth dispersion and almost every attempt to correct this resulted in either poor disper- sion or a serious compromise in sound quality.

After extensive research, MartinLogan engineers discovered an elegantly simple solution to achieve a smooth pattern of dispersion without degrading sound quality. By curving the horizontal plane of the electrostatic transducer, a controlled horizontal dispersion pattern could be achieved, yet the purity of the almost massless electrostatic diaphragm remained uncompromised. After creating this technology, 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. This is also why you see the unique “see through” cylindrical shape of MartinLogan products.

Generation 2 Diaphragm

Source’s diaphragm employs an extremely sophisticated conductive coating applied to the polymer surface at an atomic level using a plasma bonding process. A propri- etary compound is driven into the surface of the polymer film in an oxygen free argon chamber. This process allows extremely uniform surface resistivity characteristics, an optically transparent surface, and a nearly massless diaphragm. This uniform surface resistivity controls the elec- trostatic charge on the diaphragm surface and regulates its migration. As a result, no discharging or “arcing” can occur.

MicroPerf Stator

Sleek. Compact. MicroPerf stator technology, featured in Source’s electrostatic transducer, reveals more open play- able area in each panel, offering increased performance from even more compact stat panels. It is significant to note that the electrostatic transducer in the radical new Source loudspeaker supports the bandwidth and dynam- ics associated with traditional electrostatic panels nearly twice its size.

Vacuum Bonding

To achieve the power, precision, and strength of the electrostatic transducer, two insulated high-purity carbon steel stators along with a proprietary plasma bonded diaphragm and ClearSpar™ spacers are fused into a curved geometry with an aerospace adhesive whose strength exceeds that of welding. Our proprietary Vacuum Bonding process guarantees uniform diaphragm tension- ing and extremely precise construction tolerances, resulting in unequivocal precision, linearity and efficiency.

AirFrame™ Technology

Ultra-rigid extruded aerospace grade aluminum alloy AirFrame™ technology rigidifies and secures the elec- trostatic panel to the woofer cabinet while at the same time providing sonic and electrical isolation. Advanced AirFrame™ technology maximizes the electrostatic pan- els playable surface area and dipole dispersion pattern while minimizing potentially acoustically destructive intermodulated distortion caused by spurious vibrations and resonance. The result? Ultimate imaging capability, low-level detail resolution, improved efficiency and overall accuracy.

16 MartinLogan Exclusives

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Contents U R C ETM Serial Numbers Contents Installation in Brief Introduction Low-Voltage DC Power Connection ConnectionsSpeaker Level Connection Break-InPlacement & Room Acoustics Final Placement ImagingBass Response Tonal BalanceYour Room Extra TweakTerminology Dipolar Speakers and Your Room Rules of ThumbSolid Footing Dispersion Interactions Controlled Horizontal DispersionControlled Vertical Dispersion Three Major Types of DispersionHome Theater Front Left and Front RightCenter Channel Surround SpeakersElectrostatic Advantages Martinlogan Exclusives Full Range OperationCLS Curvilinear Line Source Generation 2 DiaphragmMicroPerf Stator Vacuum BondingElectrostatic History Page How do I clean my speakers? What is the advantage of ESL? Frequently Asked QuestionsWhat size amplifier should I use? Should I unplug my speakers during a thun- derstorm? Troubleshooting Specifications Warranty and RegistrationService General InformationDimensional Drawings Glossary of Audio Terms Page Page Page Rev. #051007

Source Speakers specifications

The MartinLogan Source Speakers are a testament to the brand's dedication to high-fidelity sound and innovative design. Renowned for their stunning performance and elegant aesthetics, these speakers cater to audiophiles and casual listeners alike, seamlessly blending into any home audio setup.

At the heart of the Source Speakers is their unique hybrid electrostatic technology. This innovative approach combines the purity of an electrostatic panel with the dynamic bass response of a traditional woofer. The electrostatic panel, known for its ability to recreate sound with exceptional clarity and precision, is complemented by a high-output dynamic woofer. This synergy allows the Source Speakers to deliver a full range of frequencies, from the detailed highs to the robust lows, ensuring an immersive listening experience.

One of their standout features is the Folded Motion tweeter, which utilizes a unique diaphragm that moves in a pleated fashion. This design enables the tweeter to produce greater output and higher efficiency while minimizing distortion. As a result, the Source Speakers are capable of delivering crisp, clear highs that can fill even the largest rooms.

Additionally, the Source Speakers boast a stylish and contemporary design. The elegant cabinetry is crafted from high-quality materials and finished in a range of attractive veneers, allowing them to blend harmoniously with any home decor. The speakers are also relatively compact, making them suitable for a variety of spaces, from dedicated listening rooms to casual home theater setups.

Connectivity is another strong suit of the Source Speakers, with options that include high-quality binding posts for straightforward integration with various amplifiers and audio systems. This versatility ensures that users can easily incorporate these speakers into their existing setups without hassle.

In terms of performance, the Source Speakers excel in creating a soundstage that is both wide and deep. Their ability to produce accurate spatial imaging allows listeners to feel as if they are in the center of the performance. This makes them ideal not only for music lovers but also for movie enthusiasts who crave that cinematic audio experience.

Overall, the MartinLogan Source Speakers represent a perfect amalgamation of cutting-edge technology, stylish design, and outstanding audio performance. Whether for music playback or home theater use, they offer an unparalleled listening experience that will satisfy even the most discerning audiophiles.
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