Specifications for LYRA ATLAS

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