Grado Labs Prestige 1 Series Blue1 Phono Cartridge

The newly redesigned Blue1 and Red1 have had their coil design reconfigured, and the effective moving mass of their generating system has been reduced by 17%. 

• Description
• Features
• Specifications

• The Blue1 and Red1 models use a four piece OTL cantilever technology, standard oxygen free wire in the coils and Grado's specially designed elliptical diamond mounted on a brass bushing. The Red1 model is selected from the Blue1 production run and meets higher test specifications. Approximately 10% of the production run will meet these standards and become Red1 models.

• • Reduced moving mass by 17%
  • Four piece cantilever technology
  • Approximately 10% of production run will be deemed worthy of being labelled Red1 models

• Frequency Response: 10-55
  
  Principal: MI
  
  Channel Separation at 30
  
  Input Load: 47K
  
  Output at 1KHz 5CM/sec. 5mV
  
  Recommended Tracking Force: 1.5
  
  Stylus Type: E
  
  Inductance: 45mH
  
  Resistance: 475
  
  Compliance CUs: 20
  
  Stylus Replacement: U
  
  Mounting: Half Inch Mount
  
  Weight: 5.5