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Sharp Optonica RP-31H

Turntable Details

Drive

Direct

Motor

Wow & Flutter %

Rumble [dB]

Speed

Dimensions [mm]

Platter Material

Platter Diameter [mm]

Total Weight [kg]

Tonearm

Year Built

Platter Weight [kg]

Plinth Material

Price

Additional information

  • Drive System: Direct drive with a 6-pole AC servo motor combined with a 72-pole frequency generator (FG) servo mechanism, ensuring smooth and stable platter rotation.

  • Speeds: Supports 33⅓ and 45 RPM with pitch control allowing speed adjustment within ±4%.

  • Wow and Flutter: Less than 0.04% WRMS, indicating very low speed variation.

  • Rumble: Better than 60 dB, providing low background noise during playback.

  • Platter: 310 mm aluminum die-cast platter with strobe marks for speed calibration.

  • Tonearm: Static-balance S-shaped tubular tonearm designed for low tracking force and high fidelity.

  • Tonearm Specs:
    Effective length: Approximately 245 mm
    Overhang: 14 mm
    Offset angle: 21 degrees
    Compatible with VM-type cartridges weighing 4 to 18 grams

  • Frequency Response: 20 Hz to 20 kHz

  • Output: Around 3 mV

  • Channel Separation: Approximately 20 dB

  • Dimensions: Roughly 500 mm (W) x 187 mm (H) x 413 mm (D)

  • Weight: Approximately 16 kg

  • Additional Features:
    Pitch control knob for fine speed adjustments
    Robust cabinet design with vibration damping elements
    Designed for audiophile-grade playback with low noise and distortion

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