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LYRA - Atlas MC Phono Cartridge

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Lyra Atlas MC Phono Cartridge

Winner of The Absolute Sound's Golden Ear Award: World's First Asymmetric MC Phono Cartridge, Stereophile Class A-Rated Lyra Atlas Plays With Extraordinary Effortless and Precision

Lyra's extraordinary Atlas MC phono cartridge features a revolutionary new asymmetric design that helps allow this hand-made design to play with an effortlessness, energy, speed, naturalism, and precision that redefines what is possible from analog performance. By literally misplacing the "barriers" to great sound present in all cartridges, Atlas achieves a number of important performance benefits. Different-shaped structures on the left and right sides of the body suppress the formation of standing waves within, resulting in a significant reduction of resonance-induced colorations. Music comes through Atlas with a greater purity and sense of purpose than that of most every other cartridge in existence. With Atlas, you're not just listening to records. You're sharing in the artists' visions and experiences.

"The Lyra Atlas transmitted and released energy with alarming speed, leaving no residue to rattle around, repeat, cloud, or confuse the next musical instant. Images just 'popped' in space. Bass, taut and nimble, dug all the way down. The Atlas's overall sound was positively effortless."
– Michael Fremer, Stereophile

Why Asymmetric Construction Matters to the Sound You Hear
Atlas' asymmetric construction offsets the front magnet carrier and its associated mounting system so that it is no longer in line with the cantilever assembly. This opens up a direct, solid path between the cantilever assembly and tonearm headshell so that vibrations from the cantilever can be quickly drained away once they have been converted into electrical signals.

"This is a stunning achievement, an explosively dynamic cartridge that boasts rock-solid imaging and a smooth treble. It also plumbs the nether regions with tremendous accuracy. The Atlas has game...not a cartridge that will leave you shrugging your shoulders, but, rather, gaping in amazement."
The Absolute Sound, Golden Ear Award

Optimal Performance: "New Angle" Technology and Seamless Cantilever Connection
Atlas uses Lyra's "New Angle" technology, which mechanically pre-biases the signal coils so that they are perfectly aligned to the front and rear magnets during LP playback. This equalizes out discrepancies in vertical and horizontal compliance, and enables the Atlas' coils to move with equal ease in all directions for optimal performance. Lyra also remains the only cartridge manufacturer to mount the cantilever assembly directly into the cartridge body, thereby achieving a totally seamless, rigid connection between the cantilever assembly and headshell. Its effectiveness has been further enhanced as a result of the asymmetrical structure. Control over spurious resonance is also assisted by the use of a narrowed mounting area, which couples the Atlas more tightly to the headshell and facilitates the transfer of vibrational energy into the tonearm.

Incredible Rigidity, Authoritative Tracking, Ultra-Low Distortion, Sublime Efficiency
While Atlas retains the yokeless dual-magnet system, diamond-coated boron rod cantilever, and variable-radius line-contact stylus of the Lyra Titan, the rigidity of the double knife-edge cantilever assembly mounting structure is increased and the signal coil system completely new. Rather than a square, the coil former is in the shape of an X, which allows each channel to operate with greater independence from the other. The result: Better tracking, tighter channel matching, improved separation, and lower distortion due to crosstalk. At the same time, Lyra increased both the performance and efficiency of the generator coils. Atlas has 12% higher output voltage than Titan, but accomplishes this while reducing the amount of wire in the coils by 22%. This reduction in mass further improves tracking performance, while the enhanced output and electrical characteristics allow phono preamplifiers to perform more efficiently.

Contact and Non-Contact Machining to Further Lessen Resonances
Atlas uses a body meticulously carved from a solid billet of titanium via a process that involves both contact (for the exterior) and non-contact machining (for the interior body structures). By making most of Atlas' body surfaces non-parallel (avoiding dimensions that are multiples of other dimensions), and adding a pre-stressed phase-interference resonance-controlling system, resonances are further inhibited.

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Type: Medium weight, medium compliance, low-impedance moving coil cartridge
Stylus: Lyra-designed long-footprint variable-radius line-contact nude diamond, slot-mounted
   Block dimensions 0.08w x 0.12d x 0.5h mm
   Profile dimensions 3um x 70um
Cantilever system: Diamond-coated solid boron rod with short one-point wire suspension, directly mounted into cartridge body via high-pressure knife-edge system
Coils: 2-layer deep, 6N high-purity copper
   Cross-shaped chemically-purified high-purity iron former
   4.2ohm self-impedance
   11uH inductance

Output voltage: [email protected]/sec., zero to peak, 45 degrees (CBS test record, other test records may alter results)
Frequency range: 10Hz ~ 50kHz
Channel separation: 35dB or better at 1kHz
Compliance: Approx. 12 x 10-6cm/dyne at 100Hz
Vertical tracking angle: 20 degrees

Cartridge body: One-piece machining from solid titanium billet, with reduced-surface higher-pressure headshell contact area, predominately non-parallel and asymmetrical shaping, phase-interference resonance controlling mechanism, and body threaded directly for mounting screws
Cartridge mounting screws: 2.6mm 0.45 pitch JIS standard
Distance from mounting holes to stylus tip: 9.5mm
Cartridge weight (without stylus cover): 11.6g

Recommended tracking force: 1.65 ~ 1.75g (1.72g recommended)
Recommended load directly into MC phono input: 104ohm ~ 887ohm (determine by listening, or follow detailed guidelines in user manual)
Recommended load via step-up transformer: 5 ~ 15ohm (step-up transformer’s output must be connected to 10kohm ~ 47kohm

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