AirTight Opus-1

Type: Ultra Low Impedance, MC phono cartridge

Frequency range: 10-50,000Hz

Internal impedance: 1.4 ohms (DCR)

Output voltage: 0.45mV/1kHz

Magnet: Neodymium#50

Tracking force: 2.0-2.2g

Dynamic Compliance: 8x10⁻⁶Cm/Dyne

Cantilever: Boron Cantilever

Stylus Tip Type: Semi-line contact (3μmm×30μmm)

Channel balance: Less than 0.5dB/1kHz

Cross talk: More than 30dB/1kHz

Cartridge base: A7075(DLC plating)

Housing: A5056(Rhodium plating)

Terminal: Rhodium plating

Weight: 12.5g