Grado Prestige Blue 1 Moving Magnet Cartridge 

The newly redesigned Blue 1 has had its coil design reconfigured, and the effective moving mass of their generating system has been reduced by 17%. The Blue 1 uses a four piece OTL cantilever technology, standard oxygen free wire in the coils and Grado's specially designed elliptical diamond mounted on s brass brushing. 

Specifications

Frequency Response: 10-55

Principal: MI

Channel Separation at: 30

Input Load: 47k

Output at 1KHz: 5mV

Recommended Tracking: 1.5

Stylus Type: E

Inductance: 45mH

Resistance: 475

Compliance CUs: 20

Stylus Replacement: U

Mounting: S/P

Weight: 5.5