GRADO REFERENCE 3

The Reference3 cartridge use a five piece OTL cantilever technology achieving an additional 5% tip mass reduction over the Platinum3 and Sonata3 models. The coils are wound with ultra-high purity long crystal (UHPLC) oxygen free copper wire. The Master3 model is mounted with Grado's specially designed nude elliptical diamond, and the Reference3 model uses Grado's true ellipsoid design diamond. These cartridges are individually calibrated.

Specifications:
Body: Australian Jarrah Wood
Cantileaver: Machined Boron / Diamond Tip
Output:
High 4.0mV @5 CMV (45)
Low 1.0mV @5 CMV (45)
Inductance:
High Output 55mH
Low Output 6mH
Resistance:
High Output 660 ohms
Low Output 70 ohms
Input Load: 10k-47k ohms
Cartridge Weight: 10 grams
Tracking Force: 1.6-1.9 grams
Compliance 20μm/mN
Channel Separation: Average 30db - 10-30k Hz
Controlled Frequency Response: 10-60 KHz
Non-Sensative to Capacitive Load
Builds: High Output, Low Output, Mono