Soundsmith Norma Medium Output Phono Cartridge
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Overview & specification
Soundsmith Norma Medium Output Fixed Coil Cartridge
Medium output, otherwise identical to Aida; itself a triumph of Soundsmith Engineering, Stereophile Class “A” rated, a rarity at its price point – and for good reasons. The Aida employs a single crystal Ruby Cantilever and our Optimized Contour Line Contact Stylus; we did this to resolve the challenges of playing the inner grooves with the same level of confidence as the outer. So how did we do this?
SPECIFICATIONS
Output Medium
Output Voltage 1.1 mV
Type: • Fixed Coil / Moving Iron
Mount: • Standard ½”
Stylus: • Contact Line, Nude, 0.10 mm square
Radius of Curvature: • Optimized Contour Contact Line
Cantilever: • Ruby
Recommended Tracking Force: • 1.3 – 1.6 g Standard (Medium Compliance)
1.0 – 1.2 g (Special Order High Compliance)
Effective Tip Mass: • 0.30 mg
Compliance: • 22 µm/mN (Medium Compliance)
28 µm/mN (High Compliance)
Frequence Response: • 20 – 20,000 Hz ± 2.5 dB
Channel Separation @ 1000 Hz: • > 30 dB
N/A (Mono version)
Channel Separation @ 50 – 15,000 Hz: • > 25 dB
N/A (Mono version)
Channel Difference: • < 1.0 dB
< 1.0 dB (Mono version)
Output Voltage @ 5cm/sec: • > 1.10 mV (MEDIUM)
DC Resistance (DCR): • 110Ω
Coil Inductance per channel: • 30 mH
Suggested Preamp Gain: • 48 – 54 dB
Cartridge Weight: • 6.80 g
Recommended Load Resistance: • ≥ 1.5kΩ
Recommended Load Capacitance: • n/a
