Ariston RD 90

The Ariston RD 90 is a high-quality, two-speed belt-drive transcription turntable introduced in the mid-1980s by Ariston Audio, a Scottish manufacturer known for audiophile-grade products. It is an evolution of the RD 80 model, featuring improvements in construction and performance aimed at serious vinyl enthusiasts.

Key Technical Features

• Drive System:
  Belt drive powered by an AC synchronous motor mounted on a three-point sprung subchassis suspension for effective vibration isolation.
  Motor and belt system designed for smooth, quiet, and stable platter rotation.

• Speeds:
  Supports 33⅓ and 45 rpm playback speeds with manual speed selection.

• Platter:
  Two-piece machined aluminum platter weighing approximately 2.6 kg, featuring a screw-down record clamp for secure vinyl placement.
  Designed to provide high rotational inertia for speed stability and reduced wow and flutter.

• Bearing:
  Precision single-point main bearing engineered for low friction and smooth rotation.

• Chassis and Cabinet:
  Real wood veneered cabinet with robust construction to minimize resonance.
  Dimensions roughly similar to the RD 80 model, with an acrylic dust cover.

• Tonearm:
  Compatible with high-quality tonearms such as Linn Basik LV-V/LV-X, Rega RB300, or Ariston’s own Opus tonearm.
  Adjustable anti-skate and tracking force.

• Performance:
  Wow and flutter typically around 0.05% or better.
  Rumble approximately -75 dB, indicating a low noise floor.
  Sound is described as detailed, musical, with good bass depth and a wide soundstage.

• Operation:
  Fully manual operation without automatic features.