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Lyra Atlas Moving Coil Cartridge

code: LYRAATLAS
£8,495.00 (FREE UK Delivery)
Item out of Stock  |  Usually dispatched within 24 hours
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The Atlas is Lyra's flagship model. It is also the first time that anyone has made an asymmetrically structured phono cartridge. Why asymmetric? Because, by literally misplacing the barriers to great sound that are present in every other cartridge today, it confers a number of important performance benefits.

Linear transducers such as loudspeakers and phono cartridges are inherently inefficient devices - somewhere between 5 and 10%. In other words, of the vibrational energy that enters a cartridge from the LP groove, only 5 to 10% will be converted into electrical signal. Some of the remaining 90 to 95% will be dissipated by the cartridge's internal damping system, but much of the excess vibrational energy will reflect inside the cartridge, creating internal echoes, smearing, and a general diminishing of fidelity. It is easy to demonstrate this with many cartridges - play a highly modulated LP with the power amp turned off, and bring your ear close to the cartridge. The "needle-talk" that you hear is excess vibrational energy which isn't being controlled properly.
 
To help conduct this excess vibrational energy into the headshell, where it can be safely dissipated within the greater mass of the tonearm and turntable plinth, Lyra has traditionally mounted the cantilever directly into the cartridge body, resulting in a rigid, seamless connection between the cantilever assembly and tonearm headshell.
 
When Atlas was being designed, however, Lyra realized that it is not only important to link the cantilever to headshell with a rigid, unbroken path, but that further sonic gains could be obtained if all objects and voids were removed from the path. Atlas' asymmetric shape was conceived partly with this goal in mind, so that the screw and screwhole securing the front magnet carrier could be moved out of the way of the mechanical path connecting cantilever to headshell.
 
Freed of any obstructions or voids, the rigid, direct path established between cantilever and headshell is highly effective at draining away vibrations once they have been converted into electrical signals, suppressing induced resonances and internal reflections that would otherwise manifest as sonic colorations and overhang. A narrowed mounting area couples Etna more tightly to the headshell and facilitates the transfer of vibrational energy into the tonearm, giving even better control over spurious resonances.
 
Also, Atlas' differently-shaped structures on the left and right sides suppress the formation of standing waves inside the cartridge body, thereby creating a less resonant, more neutral cartridge body than would be otherwise possible.
 
Atlas employs a yokeless dual magnet system, diamond-coated boron rod cantilever and Lyra designed variable-radius line-contact stylus (major radius 70 micrometers, minor radius 3 micrometers, block dimensions 0.08 x 0.12 x 0.5mm, mounted within a slot machined into the front of the cantilever), and builds the cantilever assembly directly into the titanium body structure.
 
Technical Specifications:
  • Designer: Jonathan Carr
  • Builder: Yoshinori Mishima
  • Type: Medium weight, medium compliance, low-impedance moving coil cartridge
  • Stylus: Lyra-designed long-footprint variable-radius line-contact nude diamond (3um x 70um), slot-mounted
  • 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: 0.56mV@5cm/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 MM-level RIAA input, preferably via short, low-capacitance cable)
  • Recommended tonearms: High-quality pivoted or linear (tangential) tonearms with rigid bearing(s), adjustable anti-skating force, preferably VTA adjustment

We endeavour to despatch same day (for orders placed up to 2pm) on available stock items to the vast majority of UK mainland addresses. Please remember to check with us first for a physical stock check if next day delivery is important to you.

UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Free delivery also applies to the Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland but may take a day or so longer. Smaller items are delivered using Royal Mail recorded delivery or special delivery. Larger items are delivered using a courier service such as Interlink Express, DPD, UPS or DHL. 

INTERNATIONAL ORDERS: We offer competitive rates which can be confirmed by email. Please just ask – we will need a full delivery address and telephone number. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using DPD, DHL or UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Hifisound or by the courier with a request for any further information required. Customs duties do not apply for shipments into any EU country (for a full list please refer to the EU Country List). Customs duties can apply for countries outside of the EU. Customers in these countries are responsible for all taxes and duties incurred when the items enter their country.

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