Both the Blue3 and Red3 use a four piece OTL cantilever that has a Grado specific diamond mounted on a brass bushing. The Red3 are hand selected from Blue3 production runs which meet higher test specifications. Approximately 10% of the run usually exhibits these specs and become a Red3.
- Frequency Response: 10-55
- Principal: MI
- Channel Separation at 1KHz: 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: S/P
- Weight: 5.5
