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Micro Seiki MR-322

Turntable Details

Drive

Belt

Motor

Wow & Flutter %

0.08

Rumble [dB]

-48

Speed

33, 45

Dimensions [mm]

Platter Material

Aluminium

Platter Diameter [mm]

Total Weight [kg]

Tonearm

Year Built

8.5

1974 to 1976

Platter Weight [kg]

Plinth Material

Price

Additional information

Key Features


  • Drive System: Belt drive system using a 4-pole hysteresis synchronous outer rotor motor.

  • Platter: 12" (30 cm) aluminum alloy die-cast platter, weighing 2 lbs (approximately 1 kg).

  • Speeds: 33.33 and 45 rpm.

  • Wow and Flutter: Less than 0.08%.

  • Signal to Noise Ratio: Greater than 48 dB.

  • Tonearm: Static balance type S-shaped tube tonearm with an effective length of 222 mm, overhang of 15 mm, and an offset angle of 15 degrees (though some sources mention 21 degrees).

  • Cartridge Compatibility: Suitable for cartridges with a weight range of 4 to 11 grams.

  • Dimensions: 459 x 171 x 365 mm (WxHxD).

  • Weight: Approximately 8.5 kg.

  • Power Requirements: AC 100V, 50/60 Hz.

  • Power Consumption: 12W.

  • Additional Features: Includes an oil dump type arm lifter and a belt lock mechanism linked to the power switch.


Additional Details


  • The MR-322 is a manual turntable known for its solid construction and reliability.

  • It is highly regarded for its ability to isolate feedback and provide a warm, balanced sound.

  • The turntable is often praised for its simplicity and lack of electronic components, making it durable and less prone to component failure over time.

Note: The MR-322 was manufactured from 1974 to 1976 and is considered a vintage model with a strong reputation among audiophiles.

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