Grado Opus4
$300.00
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Grado Opus4
$300.00
Opus4 is the entry point into the Grado Timbre Series, introducing the tonal character and construction of Grado’s wood body cartridges. Built on decades of cartridge design experience, it delivers a balanced and musical presentation while maintaining the core performance principles that define Grado cartridges.
Utilizing Grado’s moving iron design, Opus4 provides a stable and consistent signal with low moving mass and long-term reliability.
Offered in both stereo and mono configurations, Opus4 represents the foundation of the Grado wood cartridge line
- Cantilever: Aluminum/Elliptical Diamond
- 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: 8.3 grams
- Tracking Force: 1.6-1.9 grams
- Compliance: 20μm/mN
- Channel Seperation: Average 30db - 10-30k Hz
- Controlled Frequency Response: 10-60 kHz
- Non-Sensative to Capacitive Load
- Builds: High Output, Low Output, Mono