Source: Press Release, Last Accessed: 2024/09/05

Building upon the superb ΔΣ-Drive (Delta Sigma Drive) motor control technology, first introduced in the SL-1200GR2 during last year, Technics is taking the next step and making this outstanding technology accessible one model class higher. By using the technology and combining it with their more sophisticated iron-coreless motor, Technics says that they have been extremely impressed themselves, during the development process by the sonic impact of such strategy.
According to the press release, ΔΣ-Drive is capable of delivering the perfect driving sine wave signal for the iron-coreless direct drive motor. By using PWM signal generation using ΔΣ (Delta Sigma) Modulation, as employed in Technics’ full-digital amplifiers, motor vibrations are reduced to the minimum, resulting in a super smooth rotational accuracy. This was first used in the SL-1200GR2 turntable by Technics. However, in the new SL-1300G, this technique is partnered with two other factors: First, the motor used in the SL-1300G is an iron-coreless double rotor/single stator type, the driving force of which is remarkable higher than the simpler version with only one rotor/one stator such as used in the GR2 turntable. Because of the cogging-free iron-coreless construction, the rotational smoothness of this higher motor version is truly excellent. Second, the coil mounting circuit board of the motor now comes with a new reinforcement with leads to a further reduction of the mechanical vibrations caused during rotation.
The usage of a more powerful motor also enables the usage of a more massive platter – another measure for further reducing mechanical vibrations during vinyl playback, resulting in an ultimately detailed, spatial and rhythmically breathtaking performance, the company says. This platter consists of three layers: aluminum die-cast builds the fundament for high rigidity. A top layer of 2mm-thick brass, thoroughly fixed to the die-cast platter, further eliminates vibrations and adds an extra portion of touch and feel. Finally, heavy weight rubber underneath the platter dampens even the tiniest remaining vibrations.
A high-sensitivity S-shaped aluminum tonearm with high-precision bearings, enabling an ultimately high initial motion sensitivity, makes maximum use of the vibration-free chassis for an ultimately precise reading of the information engraved in the vinyl grooves. Highly effective insulator feet shut out external vibrations for further tracking precision.
The new SL-1300G is already available at authorized Technics retailers for $3299.99.

For more information: https://www.technics.com/

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