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Technics Direct Drive Analog Turntable Prototype, Possible 2016 Launch

Panasonic exhibited a direct drive analog turntable prototype equipped with a newly developed direct drive motor at the IFA 2015 trade fair. Panasonic is accelerating further development of this technology with a view to market launch in 2016 under the Technics hi-fi audio brand.

In conventional analog turntables, sound quality degradation caused by tiny vibrations of the motor and rotational speed fluctuations has been a major challenge. To overcome this challenge and assure smooth, highly-stable rotation, Panasonic has developed a new direct drive motor and redesigned high-precision motor control technology. This makes it possible to reproduce the warm sound and subtle nuances of musical expression engraved in the analog record grooves.

Technics cutaway view of direct drive motor structure

The newly-developed direct drive motor has the following features:

  • Coreless stator design that eliminates cogging
  • Twin rotors that reduce bearing load and minimize tiny rotational fluctuations (wow & flutter), while maintaining high torque
  • Oil impregnated high-precision bearings that minimize unwanted vibrations during rotation

The redesigned direct drive motor control technology involves the following:

  • Spindle motor control technology that switches the stator winding drive mode according to operating conditions to provide both high starting torque and high rotational stability
  • Adaptive rotational control technology that achieves optimized compensation according to precision rotational position detection and load fluctuation factors

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