ROKSAN ROK-1417 Attessa Turntable User Guide
- June 5, 2024
- ROKSAN
Table of Contents
ROKSAN ROK-1417 Attessa Turntable User Guide
Specifications
Material Specifications|
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Plinth| Isolated single plinth design
Isolation| 1-level decoupling
Platter| High Mass 10mm Glass Platter with Anodised Aluminium edge
Platter weight| 1.82 Kg
Pulley| Solid Aluminium
Main Bearing Spindle| Grade 303 Stainless Steel
Main Bearing Ball| Steel (Grade 303)
Main Bearing Housing| Brass (Grade CZ 121)
Removable Dust Cover| Bespoke moulded PMMA acrylic
Tonearm|
Tonearm Type| Unipivot
Tonearm Bearing| Single Jewel
Bearing| Stainless steel unipivot
Arm Material| Hybrid construction. Precision formed 5052 Aluminium top with
lightweight ABS bottom section.
Internal wiring| 0.08 OFC copper wire
Effective Mass| 14.9 g
Recommended Tracking Weight| 1.8-2.2 g (2.0 g standard)
Effective Length| 240 mm
Overhang| 17.5 mm
Headshell Offset Angle| 22.9 degrees
Cartridge|
Recommended Load Capacitance| 50-100 pF
Recommended Load Impedance| 47 kΩ
Vertical Tracking Angle| 23 degrees
Stylus Tip| Diamond titanium
DC Resistance| 800 Ω ± 20%
Coil Impedance| 3.2 kΩ ± 20% @ 1 kHz
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Output Voltage| 3.5 mV ± 3 dB @ 1 kHz
Output Balance| 1.5 dB or less @ 1 kHz
Frequency Response| Measurement point 10 kHz / 1 kHz + 1 dB ~ +7dB
Channel Separation| Measurement point 1 kHz over 22 dB
Turntable|
Max Speed Variation| +/- 0.54% at 33.3 RPM
Rumble (silent groove, unweighted)| -44.36 dB
Dimensions|
Dimensions (Inc. Lid)| H115 x W432 x D353 mm
Dimensions (Exc. lid)| H104.5 x W432 x D383 mm
Weight| 6.32 Kg
Technical|
Motor| Vibration Isolated 24 Pole Synchronous
Speed Controller| Built in high precision digitally synthesised AC signal
generator with high current low distortion output
Speed| 33 RPM & 45 RPM (Switchable)
Phono Stage| Built in MM phono stage
Phono Stage Bypass| Yes, (switchable on rear)
Phono stage gain (1 kHz)| 46 dB
Phono Stage Signal to Noise| 70 dB (5 mV, 1 kHz sine wave, A-weighted)
THD+N| 0.04% (5 mV, 1 kHz sine wave)
Phono Stage output impedance| ~56 Ω
Outputs|
Phono Output| RCA with supplied low capacitance phono cable
Mains input| 5 V 1.5 A external SMPS (Operational down to 85 VAC)
Power consumption| <0.5 W in standby. Full Power: 25 W max
What’s in the Box
Assembly And Installation Instructions
