ROKSAN ROK-1417 Attessa Turntable User Guide
Specifications
| Material Specifications | |
| 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 |
| 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
Roksan | Hi-Fi, Turntables & Audio Electronics
