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Grado Labs's Blue 1 - Prestige Series
Cartridges by Grado Labs
Manufacturer's Statement:
The Blue model uses 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 Red model is selected from the Blue production run and meet higher test specifications. Approximately 10% of the production run will meet these standards and become Red models.
Frequency Response 10-55
Principal MI
Channel Separation at 1KHz 30
Imput 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=user U
Mounting S/P
Weight 5.5
* Replacement Stylus available direct from Grado at $55