Specifications for Lyra Atlas λ Lambda

• 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 (block dimensions 0.08w x 0.12d x 0.5h mm, profile dimensions 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
• Body: Machined asymmetrical titanium with synthetic composite gemstone
• 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: Greater than 30dB at 1kHz
• Compliance: Approx. 12 x 10-6cm/dyne at 100Hz
• 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: 1.62 - 1.72g
• Recommended load directly into MC phono input: 104ohm ~ 887ohm (detailed guidelines in instruction manual, finalize by listening)
• Recommended load via step-up transformer: Use a step-up transformer designed for 3 -6 ohms cartridge impedance (step-up transformer’s output must be connected to 10kohm ~ 47kohm MM-level RIAA input, preferably via short, low-capacitance cable)
• Recommended tonearms: Medium to Medium-High mass arms recommended, which is bulk of tonearm market

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